diff --git a/core/js/dist/main.js b/core/js/dist/main.js
index 3e768783c98fa6a24ccd196a3f0f936aefc9dccc..433ffce965924d22004a03713195ab4c191b051b 100644
Binary files a/core/js/dist/main.js and b/core/js/dist/main.js differ
diff --git a/core/js/dist/main.js.map b/core/js/dist/main.js.map
index e1087a379ddfba4cd68cf2e97a3e99ca35566e7b..7d7094d7cbdbb65a775b20a6a3206f4821918b4c 100644
Binary files a/core/js/dist/main.js.map and b/core/js/dist/main.js.map differ
diff --git a/core/src/globals.js b/core/src/globals.js
index 2d8daa5b643c123b4ec577292cc7e8029ad83abf..8affec0a6a6e256c2663808d863d87d1a307acdb 100644
--- a/core/src/globals.js
+++ b/core/src/globals.js
@@ -49,6 +49,7 @@ import autosize from 'autosize'
 import Backbone from 'backbone'
 import 'bootstrap/js/tooltip'
 import Clipboard from 'clipboard'
+import cssVars from 'css-vars-ponyfill'
 import dav from 'davclient.js'
 import DOMPurify from 'dompurify'
 import Handlebars from 'handlebars'
@@ -68,6 +69,7 @@ window['$'] = $
 window['autosize'] = autosize
 window['Backbone'] = Backbone
 window['Clipboard'] = Clipboard
+window['cssVars'] = cssVars
 window['dav'] = dav
 window['DOMPurify'] = DOMPurify
 window['Handlebars'] = Handlebars
diff --git a/core/vendor/css-vars-ponyfill/LICENSE b/core/vendor/css-vars-ponyfill/LICENSE
deleted file mode 100644
index 51e689fe047a23dc7c310181363cfa905e564b1e..0000000000000000000000000000000000000000
--- a/core/vendor/css-vars-ponyfill/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2018 John Hildenbiddle
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js b/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js
deleted file mode 100644
index f68b2e18b81ac4584f11fe819f102d08062ab394..0000000000000000000000000000000000000000
--- a/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/*!
- * css-vars-ponyfill
- * v1.7.2
- * https://github.com/jhildenbiddle/css-vars-ponyfill
- * (c) 2018 John Hildenbiddle <http://hildenbiddle.com>
- * MIT license
- */
-!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):e.cssVars=n()}(this,function(){"use strict";function e(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r={mimeType:n.mimeType||null,onBeforeSend:n.onBeforeSend||Function.prototype,onSuccess:n.onSuccess||Function.prototype,onError:n.onError||Function.prototype,onComplete:n.onComplete||Function.prototype},t=Array.isArray(e)?e:[e],o=Array.apply(null,Array(t.length)).map(function(e){return null});function s(e,n){r.onError(e,t[n],n)}function a(e,n){var s=r.onSuccess(e,t[n],n);e=!1===s?"":s||e,o[n]=e,-1===o.indexOf(null)&&r.onComplete(o)}t.forEach(function(e,n){var t=document.createElement("a");t.setAttribute("href",e),t.href=t.href;var o=t.host!==location.host,i=t.protocol===location.protocol;if(o&&"undefined"!=typeof XDomainRequest)if(i){var u=new XDomainRequest;u.open("GET",e),u.timeout=0,u.onprogress=Function.prototype,u.ontimeout=Function.prototype,u.onload=function(){a(u.responseText,n)},u.onerror=function(e){s(u,n)},setTimeout(function(){u.send()},0)}else console.log("Internet Explorer 9 Cross-Origin (CORS) requests must use the same protocol"),s(null,n);else{var c=new XMLHttpRequest;c.open("GET",e),r.mimeType&&c.overrideMimeType&&c.overrideMimeType(r.mimeType),r.onBeforeSend(c,e,n),c.onreadystatechange=function(){4===c.readyState&&(200===c.status?a(c.responseText,n):s(c,n))},c.send()}})}function n(n){var t={cssComments:/\/\*[\s\S]+?\*\//g,cssImports:/(?:@import\s*)(?:url\(\s*)?(?:['"])([^'"]*)(?:['"])(?:\s*\))?(?:[^;]*;)/g},o={include:n.include||'style,link[rel="stylesheet"]',exclude:n.exclude||null,filter:n.filter||null,onBeforeSend:n.onBeforeSend||Function.prototype,onSuccess:n.onSuccess||Function.prototype,onError:n.onError||Function.prototype,onComplete:n.onComplete||Function.prototype},s=Array.apply(null,document.querySelectorAll(o.include)).filter(function(e){return n=e,r=o.exclude,!(n.matches||n.matchesSelector||n.webkitMatchesSelector||n.mozMatchesSelector||n.msMatchesSelector||n.oMatchesSelector).call(n,r);var n,r}),a=Array.apply(null,Array(s.length)).map(function(e){return null});function i(){if(-1===a.indexOf(null)){var e=a.join("");o.onComplete(e,a,s)}}function u(n,r,t,s){var u=o.onSuccess(n,t,s);(function n(r,t,s,a){var i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:[];var u=arguments.length>5&&void 0!==arguments[5]?arguments[5]:[];var l=c(r,s,u);l.rules.length?e(l.absoluteUrls,{onBeforeSend:function(e,n,r){o.onBeforeSend(e,t,n)},onSuccess:function(e,n,r){var s=o.onSuccess(e,t,n),a=c(e=!1===s?"":s||e,n,u);return a.rules.forEach(function(n,r){e=e.replace(n,a.absoluteRules[r])}),e},onError:function(e,o,c){i.push({xhr:e,url:o}),u.push(l.rules[c]),n(r,t,s,a,i,u)},onComplete:function(e){e.forEach(function(e,n){r=r.replace(l.rules[n],e)}),n(r,t,s,a,i,u)}}):a(r,i)})(n=!1===u?"":u||n,t,s,function(e,n){null===a[r]&&(n.forEach(function(e){return o.onError(e.xhr,t,e.url)}),!o.filter||o.filter.test(e)?a[r]=e:a[r]="",i())})}function c(e,n){var o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:[],s={};return s.rules=(e.replace(t.cssComments,"").match(t.cssImports)||[]).filter(function(e){return-1===o.indexOf(e)}),s.urls=s.rules.map(function(e){return e.replace(t.cssImports,"$1")}),s.absoluteUrls=s.urls.map(function(e){return r(e,n)}),s.absoluteRules=s.rules.map(function(e,t){var o=s.urls[t],a=r(s.absoluteUrls[t],n);return e.replace(o,a)}),s}s.length?s.forEach(function(n,t){var s=n.getAttribute("href"),c=n.getAttribute("rel"),l="LINK"===n.nodeName&&s&&c&&"stylesheet"===c.toLowerCase(),f="STYLE"===n.nodeName;l?e(s,{mimeType:"text/css",onBeforeSend:function(e,r,t){o.onBeforeSend(e,n,r)},onSuccess:function(e,o,a){var i=r(s,location.href);u(e,t,n,i)},onError:function(e,r,s){a[t]="",o.onError(e,n,r),i()}}):f?u(n.textContent,t,n,location.href):(a[t]="",i())}):o.onComplete("",[])}function r(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:location.href,r=document.implementation.createHTMLDocument(""),t=r.createElement("base"),o=r.createElement("a");return r.head.appendChild(t),r.body.appendChild(o),t.href=n,o.href=e,o.href}function t(){for(var e=function(e){return e instanceof Object&&e.constructor===Object},n=arguments.length,r=Array(n),o=0;o<n;o++)r[o]=arguments[o];return r.reduce(function(n,r){return Object.keys(r).forEach(function(o){var s=n[o],a=r[o];e(s)&&e(a)?n[o]=t(s,a):n[o]=a}),n},{})}var o=s;function s(e,n,r){e instanceof RegExp&&(e=a(e,r)),n instanceof RegExp&&(n=a(n,r));var t=i(e,n,r);return t&&{start:t[0],end:t[1],pre:r.slice(0,t[0]),body:r.slice(t[0]+e.length,t[1]),post:r.slice(t[1]+n.length)}}function a(e,n){var r=n.match(e);return r?r[0]:null}function i(e,n,r){var t,o,s,a,i,u=r.indexOf(e),c=r.indexOf(n,u+1),l=u;if(u>=0&&c>0){for(t=[],s=r.length;l>=0&&!i;)l==u?(t.push(l),u=r.indexOf(e,l+1)):1==t.length?i=[t.pop(),c]:((o=t.pop())<s&&(s=o,a=c),c=r.indexOf(n,l+1)),l=u<c&&u>=0?u:c;t.length&&(i=[s,a])}return i}function u(e){function n(e){throw new Error("CSS parse error: "+e)}function r(n){var r=n.exec(e);if(r)return e=e.slice(r[0].length),r}function t(){r(/^\s*/)}function o(){return r(/^{\s*/)}function s(){return r(/^}/)}function a(){if(t(),"/"===e[0]&&"*"===e[1]){for(var r=2;e[r]&&("*"!==e[r]||"/"!==e[r+1]);)r++;if(!e[r])return n("end of comment is missing");var o=e.slice(2,r);return e=e.slice(r+2),{type:"comment",comment:o}}}function i(){for(var e=[],n=void 0;n=a();)e.push(n);return e}function u(){for(t();"}"===e[0];)n("extra closing bracket");var o=r(/^(("(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[^{])+)/);if(o)return o[0].trim().replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*\/+/g,"").replace(/"(?:\\"|[^"])*"|'(?:\\'|[^'])*'/g,function(e){return e.replace(/,/g,"‌")}).split(/\s*(?![^(]*\)),\s*/).map(function(e){return e.replace(/\u200C/g,",")})}function c(){r(/^([;\s]*)+/);var e=/\/\*[^*]*\*+([^/*][^*]*\*+)*\//g,t=r(/^(\*?[-#/*\\\w]+(\[[0-9a-z_-]+\])?)\s*/);if(t){if(t=t[0].trim(),!r(/^:\s*/))return n("property missing ':'");var o=r(/^((?:\/\*.*?\*\/|'(?:\\'|.)*?'|"(?:\\"|.)*?"|\((\s*'(?:\\'|.)*?'|"(?:\\"|.)*?"|[^)]*?)\s*\)|[^};])+)/),s={type:"declaration",property:t.replace(e,""),value:o?o[0].replace(e,"").trim():""};return r(/^[;\s]*/),s}}function l(){if(!o())return n("missing '{'");for(var e=void 0,r=i();e=c();)r.push(e),r=r.concat(i());return s()?r:n("missing '}'")}function f(){t();for(var e=[],n=void 0;n=r(/^((\d+\.\d+|\.\d+|\d+)%?|[a-z]+)\s*/);)e.push(n[1]),r(/^,\s*/);if(e.length)return{type:"keyframe",values:e,declarations:l()}}function p(){if(t(),"@"===e[0])return function(){var e=r(/^@([-\w]+)?keyframes\s*/);if(e){var t=e[1];if(!(e=r(/^([-\w]+)\s*/)))return n("@keyframes missing name");var a=e[1];if(!o())return n("@keyframes missing '{'");for(var u=void 0,c=i();u=f();)c.push(u),c=c.concat(i());return s()?{type:"keyframes",name:a,vendor:t,keyframes:c}:n("@keyframes missing '}'")}}()||function(){var e=r(/^@supports *([^{]+)/);if(e)return{type:"supports",supports:e[1].trim(),rules:d()}}()||function(){if(r(/^@host\s*/))return{type:"host",rules:d()}}()||function(){var e=r(/^@media *([^{]+)/);if(e)return{type:"media",media:e[1].trim(),rules:d()}}()||function(){var e=r(/^@custom-media\s+(--[^\s]+)\s*([^{;]+);/);if(e)return{type:"custom-media",name:e[1].trim(),media:e[2].trim()}}()||function(){if(r(/^@page */))return{type:"page",selectors:u()||[],declarations:l()}}()||function(){var e=r(/^@([-\w]+)?document *([^{]+)/);if(e)return{type:"document",document:e[2].trim(),vendor:e[1]?e[1].trim():null,rules:d()}}()||function(){if(r(/^@font-face\s*/))return{type:"font-face",declarations:l()}}()||function(){var e=r(/^@(import|charset|namespace)\s*([^;]+);/);if(e)return{type:e[1],name:e[2].trim()}}()}function d(r){if(!r&&!o())return n("missing '{'");for(var t,a=void 0,c=i();e.length&&(r||"}"!==e[0])&&(a=p()||(void 0,(t=u()||[]).length||n("selector missing"),{type:"rule",selectors:t,declarations:l()}));)c.push(a),c=c.concat(i());return r||s()?c:n("missing '}'")}return{type:"stylesheet",stylesheet:{rules:d(!0),errors:[]}}}s.range=i;var c={},l="--",f="var";function p(e){var n,r,s={},a=t({fixNestedCalc:!0,onlyVars:!0,persist:!1,preserve:!1,variables:{},onWarning:function(){}},arguments.length>1&&void 0!==arguments[1]?arguments[1]:{}),i=a.persist?c:a.variables,p=u(e);if(a.onlyVars&&(p.stylesheet.rules=function e(n){return n.filter(function(n){if(n.declarations){var r=n.declarations.filter(function(e){var n=e.property&&0===e.property.indexOf(l),r=e.value&&e.value.indexOf(f+"(")>-1;return n||r});return"font-face"!==n.type&&(n.declarations=r),Boolean(r.length)}return n.keyframes?Boolean(n.keyframes.filter(function(e){return Boolean(e.declarations.filter(function(e){var n=e.property&&0===e.property.indexOf(l),r=e.value&&e.value.indexOf(f+"(")>-1;return n||r}).length)}).length):!n.rules||(n.rules=e(n.rules).filter(function(e){return e.declarations&&e.declarations.length}),Boolean(n.rules.length))})}(p.stylesheet.rules)),p.stylesheet.rules.forEach(function(e){var n=[];if("rule"===e.type&&1===e.selectors.length&&":root"===e.selectors[0]&&(e.declarations.forEach(function(e,r){var t=e.property,o=e.value;t&&0===t.indexOf(l)&&(s[t]=o,n.push(r))}),!a.preserve))for(var r=n.length-1;r>=0;r--)e.declarations.splice(n[r],1)}),Object.keys(a.variables).forEach(function(e){var n="--"+e.replace(/^-+/,""),r=a.variables[e];e!==n&&(a.variables[n]=r,delete a.variables[e]),a.persist&&(c[n]=r)}),Object.keys(i).length){var m={declarations:[],selectors:[":root"],type:"rule"};Object.keys(i).forEach(function(e){s[e]=i[e],m.declarations.push({type:"declaration",property:e,value:i[e]}),a.persist&&(c[e]=i[e])}),a.preserve&&p.stylesheet.rules.push(m)}return function e(n,r){n.rules.forEach(function(t){t.rules?e(t,r):t.keyframes?t.keyframes.forEach(function(e){"keyframe"===e.type&&r(e.declarations,t)}):t.declarations&&r(t.declarations,n)})}(p.stylesheet,function(e,n){for(var r=void 0,t=void 0,o=void 0,i=0;i<e.length;i++)o=(r=e[i]).value,"declaration"===r.type&&o&&-1!==o.indexOf(f+"(")&&"undefined"!==(t=d(o,s,a))&&(a.preserve?(e.splice(i,0,{type:r.type,property:r.property,value:t}),i++):r.value=t)}),a.fixNestedCalc&&(n=p.stylesheet.rules,r=/(-[a-z]+-)?calc\(/,n.forEach(function(e){e.declarations&&e.declarations.forEach(function(e){for(var n=e.value,t="";r.test(n);){var s=o("calc(",")",n||"");for(n=n.slice(s.end);r.test(s.body);){var a=o(r,")",s.body);s.body=a.pre+"("+a.body+")"+a.post}t+=s.pre+"calc("+s.body,t+=r.test(n)?"":")"+s.post}e.value=t||e.value})})),function(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",r=arguments[2],t={charset:function(e){return"@charset "+e.name+";"},comment:function(e){return 0===e.comment.indexOf("__CSSVARSPONYFILL")?"/*"+e.comment+"*/":""},"custom-media":function(e){return"@custom-media "+e.name+" "+e.media+";"},declaration:function(e){return e.property+":"+e.value+";"},document:function(e){return"@"+(e.vendor||"")+"document "+e.document+"{"+o(e.rules)+"}"},"font-face":function(e){return"@font-face{"+o(e.declarations)+"}"},host:function(e){return"@host{"+o(e.rules)+"}"},import:function(e){return"@import "+e.name+";"},keyframe:function(e){return e.values.join(",")+"{"+o(e.declarations)+"}"},keyframes:function(e){return"@"+(e.vendor||"")+"keyframes "+e.name+"{"+o(e.keyframes)+"}"},media:function(e){return"@media "+e.media+"{"+o(e.rules)+"}"},namespace:function(e){return"@namespace "+e.name+";"},page:function(e){return"@page "+(e.selectors.length?e.selectors.join(", "):"")+"{"+o(e.declarations)+"}"},rule:function(e){var n=e.declarations;if(n.length)return e.selectors.join(",")+"{"+o(n)+"}"},supports:function(e){return"@supports "+e.supports+"{"+o(e.rules)+"}"}};function o(e){for(var o="",s=0;s<e.length;s++){var a=e[s];r&&r(a);var i=t[a.type](a);i&&(o+=i,i.length&&a.selectors&&(o+=n))}return o}return o(e.stylesheet.rules)}(p)}function d(e,n,r){var t=o("(",")",e),s=e.indexOf("var("),a=o("(",")",e.substring(s)).body,i="CSS transform warning:";t||r.onWarning(i+' missing closing ")" in the value "'+e+'"'),""===a&&r.onWarning(i+" var() must contain a non-whitespace string");var u=f+"("+a+")",c=a.replace(/([\w-]+)(?:\s*,\s*)?(.*)?/,function(e,t,o){var s=n[t];return s||o||r.onWarning(i+' variable "'+t+'" is undefined'),!s&&o?o:s});return-1!==(e=e.split(u).join(c)).indexOf(f+"(")&&(e=d(e,n,r)),e}var m="css-vars-ponyfill",v={include:"style,link[rel=stylesheet]",exclude:"",fixNestedCalc:!0,onlyLegacy:!0,onlyVars:!1,preserve:!1,silent:!1,updateDOM:!0,updateURLs:!0,variables:{},onBeforeSend:function(){},onSuccess:function(){},onWarning:function(){},onError:function(){},onComplete:function(){}},y={cssComments:/\/\*[\s\S]+?\*\//g,cssUrls:/url\((?!['"]?(?:data|http|\/\/):)['"]?([^'")]*)['"]?\)/g,cssVars:/(?:(?::root\s*{\s*[^;]*;*\s*)|(?:var\(\s*))(--[^:)]+)(?:\s*[:)])/};function h(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:location.href,r=document.implementation.createHTMLDocument(""),t=r.createElement("base"),o=r.createElement("a");return r.head.appendChild(t),r.body.appendChild(o),t.href=n,o.href=e,o.href}return function e(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},o=t(v,r);function s(e,n,r,t){o.silent||console.error(e+"\n",n),o.onError(e,n,r,t)}function a(e){o.silent||console.warn(e),o.onWarning(e)}if("loading"!==document.readyState){var i=window.CSS&&window.CSS.supports&&window.CSS.supports("(--a: 0)");if(i&&o.onlyLegacy)i&&o.updateDOM&&Object.keys(o.variables).forEach(function(e){var n="--"+e.replace(/^-+/,""),r=o.variables[e];document.documentElement.style.setProperty(n,r)});else{var u=m;n({include:o.include,exclude:"#"+u+(o.exclude?","+o.exclude:""),filter:o.onlyVars?y.cssVars:null,onBeforeSend:o.onBeforeSend,onSuccess:function(e,n,r){var t=o.onSuccess(e,n,r);return e=!1===t?"":t||e,o.updateURLs&&(e.replace(y.cssComments,"").match(y.cssUrls)||[]).forEach(function(n){var t=n.replace(y.cssUrls,"$1"),o=h(t,r);e=e.replace(n,n.replace(t,o))}),e},onError:function(e,n,r){var t=e.responseURL||h(r,location.href),o=e.statusText?"("+e.statusText+")":"Unspecified Error"+(0===e.status?" (possibly CORS related)":"");s("CSS XHR Error: "+t+" "+e.status+" "+o,n,e,t)},onComplete:function(e,n,r){var t=/\/\*__CSSVARSPONYFILL-(\d+)__\*\//g,i=null;e=n.map(function(e,n){return y.cssVars.test(e)?e:"/*__CSSVARSPONYFILL-"+n+"__*/"}).join("");try{e=p(e,{fixNestedCalc:o.fixNestedCalc,onlyVars:o.onlyVars,persist:o.updateDOM,preserve:o.preserve,variables:o.variables,onWarning:a});for(var c=t.exec(e);null!==c;){var l=c[0],f=c[1];e=e.replace(l,n[f]),c=t.exec(e)}if(o.updateDOM&&r&&r.length){var d=r[r.length-1];(i=document.querySelector("#"+u)||document.createElement("style")).setAttribute("id",u),i.textContent!==e&&(i.textContent=e),d.nextSibling!==i&&d.parentNode.insertBefore(i,d.nextSibling)}}catch(e){var m=!1;n.forEach(function(e,n){try{e=p(e,o)}catch(e){var t=r[n-0];m=!0,s(e.message,t)}}),m||s(e.message||e)}o.onComplete(e,i)}})}}else document.addEventListener("DOMContentLoaded",function n(t){e(r),document.removeEventListener("DOMContentLoaded",n)})}});
-//# sourceMappingURL=css-vars-ponyfill.min.js.map
diff --git a/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js.map b/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js.map
deleted file mode 100644
index a14eaaf0ab7a94712323875c532f5b7f1ad6b6f5..0000000000000000000000000000000000000000
--- a/core/vendor/css-vars-ponyfill/dist/css-vars-ponyfill.min.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"css-vars-ponyfill.min.js","sources":["../node_modules/get-css-data/dist/get-css-data.esm.js","../src/merge-deep.js","../node_modules/balanced-match/index.js","../src/parse-css.js","../src/transform-css.js","../src/walk-css.js","../src/stringify-css.js","../src/index.js"],"sourcesContent":["/*!\n * get-css-data\n * v1.3.2\n * https://github.com/jhildenbiddle/get-css-data\n * (c) 2018 John Hildenbiddle <http://hildenbiddle.com>\n * MIT license\n */\nfunction getUrls(urls) {\n    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n    var settings = {\n        mimeType: options.mimeType || null,\n        onBeforeSend: options.onBeforeSend || Function.prototype,\n        onSuccess: options.onSuccess || Function.prototype,\n        onError: options.onError || Function.prototype,\n        onComplete: options.onComplete || Function.prototype\n    };\n    var urlArray = Array.isArray(urls) ? urls : [ urls ];\n    var urlQueue = Array.apply(null, Array(urlArray.length)).map(function(x) {\n        return null;\n    });\n    function onError(xhr, urlIndex) {\n        settings.onError(xhr, urlArray[urlIndex], urlIndex);\n    }\n    function onSuccess(responseText, urlIndex) {\n        var returnVal = settings.onSuccess(responseText, urlArray[urlIndex], urlIndex);\n        responseText = returnVal === false ? \"\" : returnVal || responseText;\n        urlQueue[urlIndex] = responseText;\n        if (urlQueue.indexOf(null) === -1) {\n            settings.onComplete(urlQueue);\n        }\n    }\n    urlArray.forEach(function(url, i) {\n        var parser = document.createElement(\"a\");\n        parser.setAttribute(\"href\", url);\n        parser.href = parser.href;\n        var isCrossDomain = parser.host !== location.host;\n        var isSameProtocol = parser.protocol === location.protocol;\n        if (isCrossDomain && typeof XDomainRequest !== \"undefined\") {\n            if (isSameProtocol) {\n                var xdr = new XDomainRequest();\n                xdr.open(\"GET\", url);\n                xdr.timeout = 0;\n                xdr.onprogress = Function.prototype;\n                xdr.ontimeout = Function.prototype;\n                xdr.onload = function() {\n                    onSuccess(xdr.responseText, i);\n                };\n                xdr.onerror = function(err) {\n                    onError(xdr, i);\n                };\n                setTimeout(function() {\n                    xdr.send();\n                }, 0);\n            } else {\n                console.log(\"Internet Explorer 9 Cross-Origin (CORS) requests must use the same protocol\");\n                onError(null, i);\n            }\n        } else {\n            var xhr = new XMLHttpRequest();\n            xhr.open(\"GET\", url);\n            if (settings.mimeType && xhr.overrideMimeType) {\n                xhr.overrideMimeType(settings.mimeType);\n            }\n            settings.onBeforeSend(xhr, url, i);\n            xhr.onreadystatechange = function() {\n                if (xhr.readyState === 4) {\n                    if (xhr.status === 200) {\n                        onSuccess(xhr.responseText, i);\n                    } else {\n                        onError(xhr, i);\n                    }\n                }\n            };\n            xhr.send();\n        }\n    });\n}\n\n/**\n * Gets CSS data from <style> and <link> nodes (including @imports), then\n * returns data in order processed by DOM. Allows specifying nodes to\n * include/exclude and filtering CSS data using RegEx.\n *\n * @preserve\n * @param {object}   [options] The options object\n * @param {string}   [options.include] CSS selector matching <link> and <style>\n *                   nodes to include\n * @param {string}   [options.exclude] CSS selector matching <link> and <style>\n *                   nodes to exclude\n * @param {object}   [options.filter] Regular expression used to filter node CSS\n *                   data. Each block of CSS data is tested against the filter,\n *                   and only matching data is included.\n * @param {function} [options.onBeforeSend] Callback before XHR is sent. Passes\n *                   1) the XHR object, 2) source node reference, and 3) the\n *                   source URL as arguments.\n * @param {function} [options.onSuccess] Callback on each CSS node read. Passes\n *                   1) CSS text, 2) source node reference, and 3) the source\n *                   URL as arguments.\n * @param {function} [options.onError] Callback on each error. Passes 1) the XHR\n *                   object for inspection, 2) soure node reference, and 3) the\n *                   source URL that failed (either a <link> href or an @import)\n *                   as arguments\n * @param {function} [options.onComplete] Callback after all nodes have been\n *                   processed. Passes 1) concatenated CSS text, 2) an array of\n *                   CSS text in DOM order, and 3) an array of nodes in DOM\n *                   order as arguments.\n *\n * @example\n *\n *   getCssData({\n *     include: 'style,link[rel=\"stylesheet\"]', // default\n *     exclude: '[href=\"skip.css\"]',\n *     filter : /red/,\n *     onBeforeSend(xhr, node, url) {\n *       // ...\n *     }\n *     onSuccess(cssText, node, url) {\n *       // ...\n *     }\n *     onError(xhr, node, url) {\n *       // ...\n *     },\n *     onComplete(cssText, cssArray) {\n *       // ...\n *     },\n *   });\n */ function getCssData(options) {\n    var regex = {\n        cssComments: /\\/\\*[\\s\\S]+?\\*\\//g,\n        cssImports: /(?:@import\\s*)(?:url\\(\\s*)?(?:['\"])([^'\"]*)(?:['\"])(?:\\s*\\))?(?:[^;]*;)/g\n    };\n    var settings = {\n        include: options.include || 'style,link[rel=\"stylesheet\"]',\n        exclude: options.exclude || null,\n        filter: options.filter || null,\n        onBeforeSend: options.onBeforeSend || Function.prototype,\n        onSuccess: options.onSuccess || Function.prototype,\n        onError: options.onError || Function.prototype,\n        onComplete: options.onComplete || Function.prototype\n    };\n    var sourceNodes = Array.apply(null, document.querySelectorAll(settings.include)).filter(function(node) {\n        return !matchesSelector(node, settings.exclude);\n    });\n    var cssArray = Array.apply(null, Array(sourceNodes.length)).map(function(x) {\n        return null;\n    });\n    function handleComplete() {\n        var isComplete = cssArray.indexOf(null) === -1;\n        if (isComplete) {\n            var cssText = cssArray.join(\"\");\n            settings.onComplete(cssText, cssArray, sourceNodes);\n        }\n    }\n    function handleSuccess(cssText, cssIndex, node, sourceUrl) {\n        var returnVal = settings.onSuccess(cssText, node, sourceUrl);\n        cssText = returnVal === false ? \"\" : returnVal || cssText;\n        resolveImports(cssText, node, sourceUrl, function(resolvedCssText, errorData) {\n            if (cssArray[cssIndex] === null) {\n                errorData.forEach(function(data) {\n                    return settings.onError(data.xhr, node, data.url);\n                });\n                if (!settings.filter || settings.filter.test(resolvedCssText)) {\n                    cssArray[cssIndex] = resolvedCssText;\n                } else {\n                    cssArray[cssIndex] = \"\";\n                }\n                handleComplete();\n            }\n        });\n    }\n    function parseImportData(cssText, baseUrl) {\n        var ignoreRules = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];\n        var importData = {};\n        importData.rules = (cssText.replace(regex.cssComments, \"\").match(regex.cssImports) || []).filter(function(rule) {\n            return ignoreRules.indexOf(rule) === -1;\n        });\n        importData.urls = importData.rules.map(function(rule) {\n            return rule.replace(regex.cssImports, \"$1\");\n        });\n        importData.absoluteUrls = importData.urls.map(function(url) {\n            return getFullUrl(url, baseUrl);\n        });\n        importData.absoluteRules = importData.rules.map(function(rule, i) {\n            var oldUrl = importData.urls[i];\n            var newUrl = getFullUrl(importData.absoluteUrls[i], baseUrl);\n            return rule.replace(oldUrl, newUrl);\n        });\n        return importData;\n    }\n    function resolveImports(cssText, node, baseUrl, callbackFn) {\n        var __errorData = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];\n        var __errorRules = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : [];\n        var importData = parseImportData(cssText, baseUrl, __errorRules);\n        if (importData.rules.length) {\n            getUrls(importData.absoluteUrls, {\n                onBeforeSend: function onBeforeSend(xhr, url, urlIndex) {\n                    settings.onBeforeSend(xhr, node, url);\n                },\n                onSuccess: function onSuccess(cssText, url, urlIndex) {\n                    var returnVal = settings.onSuccess(cssText, node, url);\n                    cssText = returnVal === false ? \"\" : returnVal || cssText;\n                    var responseImportData = parseImportData(cssText, url, __errorRules);\n                    responseImportData.rules.forEach(function(rule, i) {\n                        cssText = cssText.replace(rule, responseImportData.absoluteRules[i]);\n                    });\n                    return cssText;\n                },\n                onError: function onError(xhr, url, urlIndex) {\n                    __errorData.push({\n                        xhr: xhr,\n                        url: url\n                    });\n                    __errorRules.push(importData.rules[urlIndex]);\n                    resolveImports(cssText, node, baseUrl, callbackFn, __errorData, __errorRules);\n                },\n                onComplete: function onComplete(responseArray) {\n                    responseArray.forEach(function(importText, i) {\n                        cssText = cssText.replace(importData.rules[i], importText);\n                    });\n                    resolveImports(cssText, node, baseUrl, callbackFn, __errorData, __errorRules);\n                }\n            });\n        } else {\n            callbackFn(cssText, __errorData);\n        }\n    }\n    if (sourceNodes.length) {\n        sourceNodes.forEach(function(node, i) {\n            var linkHref = node.getAttribute(\"href\");\n            var linkRel = node.getAttribute(\"rel\");\n            var isLink = node.nodeName === \"LINK\" && linkHref && linkRel && linkRel.toLowerCase() === \"stylesheet\";\n            var isStyle = node.nodeName === \"STYLE\";\n            if (isLink) {\n                getUrls(linkHref, {\n                    mimeType: \"text/css\",\n                    onBeforeSend: function onBeforeSend(xhr, url, urlIndex) {\n                        settings.onBeforeSend(xhr, node, url);\n                    },\n                    onSuccess: function onSuccess(cssText, url, urlIndex) {\n                        var sourceUrl = getFullUrl(linkHref, location.href);\n                        handleSuccess(cssText, i, node, sourceUrl);\n                    },\n                    onError: function onError(xhr, url, urlIndex) {\n                        cssArray[i] = \"\";\n                        settings.onError(xhr, node, url);\n                        handleComplete();\n                    }\n                });\n            } else if (isStyle) {\n                handleSuccess(node.textContent, i, node, location.href);\n            } else {\n                cssArray[i] = \"\";\n                handleComplete();\n            }\n        });\n    } else {\n        settings.onComplete(\"\", []);\n    }\n}\n\nfunction getFullUrl(url) {\n    var base = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : location.href;\n    var d = document.implementation.createHTMLDocument(\"\");\n    var b = d.createElement(\"base\");\n    var a = d.createElement(\"a\");\n    d.head.appendChild(b);\n    d.body.appendChild(a);\n    b.href = base;\n    a.href = url;\n    return a.href;\n}\n\nfunction matchesSelector(elm, selector) {\n    var matches = elm.matches || elm.matchesSelector || elm.webkitMatchesSelector || elm.mozMatchesSelector || elm.msMatchesSelector || elm.oMatchesSelector;\n    return matches.call(elm, selector);\n}\n\nexport default getCssData;\n//# sourceMappingURL=get-css-data.esm.js.map\n","// Functions\n// =============================================================================\n/**\n * Performs a deep merge of objects and returns new object. Does not modify\n * objects (immutable) and merges arrays via concatenation.\n *\n * @param {...object} objects - Objects to merge\n * @returns {object} New object with merged key/values\n */\nfunction mergeDeep(...objects) {\n    const isObject = obj => obj instanceof Object && obj.constructor === Object;\n\n    return objects.reduce((prev, obj) => {\n        Object.keys(obj).forEach(key => {\n            const pVal = prev[key];\n            const oVal = obj[key];\n\n            // if (Array.isArray(pVal) && Array.isArray(oVal)) {\n            //     prev[key] = pVal.concat(...oVal);\n            // }\n            if (isObject(pVal) && isObject(oVal)) {\n                prev[key] = mergeDeep(pVal, oVal);\n            }\n            else {\n                prev[key] = oVal;\n            }\n        });\n\n        return prev;\n    }, {});\n}\n\n\n// Export\n// =============================================================================\nexport default mergeDeep;\n","'use strict';\nmodule.exports = balanced;\nfunction balanced(a, b, str) {\n  if (a instanceof RegExp) a = maybeMatch(a, str);\n  if (b instanceof RegExp) b = maybeMatch(b, str);\n\n  var r = range(a, b, str);\n\n  return r && {\n    start: r[0],\n    end: r[1],\n    pre: str.slice(0, r[0]),\n    body: str.slice(r[0] + a.length, r[1]),\n    post: str.slice(r[1] + b.length)\n  };\n}\n\nfunction maybeMatch(reg, str) {\n  var m = str.match(reg);\n  return m ? m[0] : null;\n}\n\nbalanced.range = range;\nfunction range(a, b, str) {\n  var begs, beg, left, right, result;\n  var ai = str.indexOf(a);\n  var bi = str.indexOf(b, ai + 1);\n  var i = ai;\n\n  if (ai >= 0 && bi > 0) {\n    begs = [];\n    left = str.length;\n\n    while (i >= 0 && !result) {\n      if (i == ai) {\n        begs.push(i);\n        ai = str.indexOf(a, i + 1);\n      } else if (begs.length == 1) {\n        result = [ begs.pop(), bi ];\n      } else {\n        beg = begs.pop();\n        if (beg < left) {\n          left = beg;\n          right = bi;\n        }\n\n        bi = str.indexOf(b, i + 1);\n      }\n\n      i = ai < bi && ai >= 0 ? ai : bi;\n    }\n\n    if (begs.length) {\n      result = [ left, right ];\n    }\n  }\n\n  return result;\n}\n","/**\n * Based on css parser/compiler by NxChg\n * https://github.com/NxtChg/pieces/tree/master/js/css_parser\n */\n\n\n// Functions\n// =============================================================================\n/**\n * Parses CSS string and generates AST object\n *\n * @param {string} css The CSS stringt to be converted to an AST\n * @returns {object}\n */\nfunction cssParse(css) {\n    const errors = [];\n\n    // Errors\n    // -------------------------------------------------------------------------\n    function error(msg) {\n        throw new Error(`CSS parse error: ${msg}`);\n    }\n\n    // RegEx\n    // -------------------------------------------------------------------------\n    // Match regexp and return captures\n    function match(re) {\n        const m = re.exec(css);\n\n        if (m) {\n            css = css.slice(m[0].length);\n\n            return m;\n        }\n    }\n\n    function whitespace() {\n        match(/^\\s*/);\n    }\n    function open() {\n        return match(/^{\\s*/);\n    }\n    function close() {\n        return match(/^}/);\n    }\n\n    // Comments\n    // -------------------------------------------------------------------------\n    function comment() {\n        whitespace();\n\n        if (css[0] !== '/' || css[1] !== '*') { return; }\n\n        let i = 2;\n        while (css[i] && (css[i] !== '*' || css[i + 1] !== '/')) { i++; }\n\n        // FIXED\n        if (!css[i]) { return error('end of comment is missing'); }\n\n        const str = css.slice(2, i);\n        css = css.slice(i + 2);\n\n        return { type: 'comment', comment: str };\n    }\n    function comments() {\n        const cmnts = [];\n\n        let c;\n\n        while ((c = comment())) {\n            cmnts.push(c);\n        }\n        return cmnts;\n    }\n\n    // Selector\n    // -------------------------------------------------------------------------\n    function selector() {\n        whitespace();\n        while (css[0] === '}') {\n            error('extra closing bracket');\n        }\n\n        const m = match(/^((\"(?:\\\\\"|[^\"])*\"|'(?:\\\\'|[^'])*'|[^{])+)/);\n\n        if (m)\n        { return m[0]\n            .trim() // remove all comments from selectors\n            .replace(/\\/\\*([^*]|[\\r\\n]|(\\*+([^*/]|[\\r\\n])))*\\*\\/+/g, '')\n            .replace(/\"(?:\\\\\"|[^\"])*\"|'(?:\\\\'|[^'])*'/g, function(m) {\n                return m.replace(/,/g, '\\u200C');\n            })\n            .split(/\\s*(?![^(]*\\)),\\s*/)\n            .map(function(s) {\n                return s.replace(/\\u200C/g, ',');\n            }); }\n    }\n\n    // Declarations\n    // -------------------------------------------------------------------------\n    function declaration() {\n        match(/^([;\\s]*)+/); // ignore empty declarations + whitespace\n\n        const comment_regexp = /\\/\\*[^*]*\\*+([^/*][^*]*\\*+)*\\//g;\n\n        let prop = match(/^(\\*?[-#/*\\\\\\w]+(\\[[0-9a-z_-]+\\])?)\\s*/);\n        if (!prop) { return; }\n\n        prop = prop[0].trim();\n\n        if (!match(/^:\\s*/)) { return error('property missing \\':\\''); }\n\n        // Quotes regex repeats verbatim inside and outside parentheses\n        const val = match(/^((?:\\/\\*.*?\\*\\/|'(?:\\\\'|.)*?'|\"(?:\\\\\"|.)*?\"|\\((\\s*'(?:\\\\'|.)*?'|\"(?:\\\\\"|.)*?\"|[^)]*?)\\s*\\)|[^};])+)/);\n\n        const ret = { type: 'declaration', property: prop.replace(comment_regexp, ''), value: val ? val[0].replace(comment_regexp, '').trim() : '' };\n\n        match(/^[;\\s]*/);\n\n        return ret;\n    }\n    function declarations() {\n        if (!open()) { return error('missing \\'{\\''); }\n\n        let d,\n            decls = comments();\n\n        while ((d = declaration())) {\n            decls.push(d);\n            decls = decls.concat(comments());\n        }\n\n        if (!close()) { return error('missing \\'}\\''); }\n\n        return decls;\n    }\n\n    // Keyframes\n    // -------------------------------------------------------------------------\n    function keyframe() {\n        whitespace();\n\n        const vals = [];\n\n        let m;\n\n        while ((m = match(/^((\\d+\\.\\d+|\\.\\d+|\\d+)%?|[a-z]+)\\s*/))) {\n            vals.push(m[1]);\n            match(/^,\\s*/);\n        }\n\n        if (vals.length) { return { type: 'keyframe', values: vals, declarations: declarations() }; }\n    }\n    function at_keyframes() {\n        let m = match(/^@([-\\w]+)?keyframes\\s*/);\n\n        if (!m) { return; }\n\n        const vendor = m[1];\n\n        m = match(/^([-\\w]+)\\s*/);\n        if (!m) { return error('@keyframes missing name'); } // identifier\n\n        const name = m[1];\n\n        if (!open()) { return error('@keyframes missing \\'{\\''); }\n\n        let frame,\n            frames = comments();\n        while ((frame = keyframe())) {\n            frames.push(frame);\n            frames = frames.concat(comments());\n        }\n\n        if (!close()) { return error('@keyframes missing \\'}\\''); }\n\n        return { type: 'keyframes', name: name, vendor: vendor, keyframes: frames };\n    }\n\n    // @ Rules\n    // -------------------------------------------------------------------------\n    function at_page() {\n        const m = match(/^@page */);\n        if (m) {\n            const sel = selector() || [];\n            return { type: 'page', selectors: sel, declarations: declarations() };\n        }\n    }\n    function at_fontface() {\n        const m = match(/^@font-face\\s*/);\n        if (m) { return { type: 'font-face', declarations: declarations() }; }\n    }\n    function at_supports() {\n        const m = match(/^@supports *([^{]+)/);\n        if (m) { return { type: 'supports', supports: m[1].trim(), rules: rules() }; }\n    }\n    function at_host() {\n        const m = match(/^@host\\s*/);\n        if (m) { return { type: 'host', rules: rules() }; }\n    }\n    function at_media() {\n        const m = match(/^@media *([^{]+)/);\n        if (m) { return { type: 'media', media: m[1].trim(), rules: rules() }; }\n    }\n    function at_custom_m() {\n        const m = match(/^@custom-media\\s+(--[^\\s]+)\\s*([^{;]+);/);\n        if (m) { return { type: 'custom-media', name: m[1].trim(), media: m[2].trim() }; }\n    }\n    function at_document() {\n        const m = match(/^@([-\\w]+)?document *([^{]+)/);\n        // FIXED\n        if (m) { return { type: 'document', document: m[2].trim(), vendor: m[1] ? m[1].trim() : null, rules: rules() }; }\n    }\n    function at_x() {\n        const m = match(/^@(import|charset|namespace)\\s*([^;]+);/);\n        if (m) { return { type: m[1], name: m[2].trim() }; }\n    }\n    function at_rule() {\n        whitespace();\n        if (css[0] === '@') { return at_keyframes() || at_supports() || at_host() || at_media() || at_custom_m() || at_page() || at_document() || at_fontface() || at_x(); }\n    }\n\n    // Rules\n    // -------------------------------------------------------------------------\n    function rule() {\n        const sel = selector() || [];\n        if (!sel.length) { error('selector missing'); }\n\n        const decls = declarations();\n\n        return { type: 'rule', selectors: sel, declarations: decls };\n    }\n    function rules(core) {\n        if (!core && !open()) { return error('missing \\'{\\''); }\n\n        let node,\n            rules = comments();\n\n        while (css.length && (core || css[0] !== '}') && (node = at_rule() || rule())) {\n            rules.push(node);\n            rules = rules.concat(comments());\n        }\n\n        if (!core && !close()) { return error('missing \\'}\\''); }\n\n        return rules;\n    }\n\n    return { type: 'stylesheet', stylesheet: { rules: rules(true), errors: errors } };\n}\n\n\n// Exports\n// =============================================================================\nexport default cssParse;\n","/**\n * Based on rework-vars by reworkcss\n * https://github.com/reworkcss/rework-vars\n */\n\n\n// Dependencies\n// =============================================================================\nimport balanced     from 'balanced-match';\nimport mergeDeep    from './merge-deep';\nimport parseCss     from './parse-css';\nimport stringifyCss from './stringify-css';\nimport walkCss      from './walk-css';\n\n\n// Constants & Variables\n// =============================================================================\nconst persistStore        = {};\nconst VAR_PROP_IDENTIFIER = '--';\nconst VAR_FUNC_IDENTIFIER = 'var';\n\n\n// Functions\n// =============================================================================\n/**\n * Transforms W3C-style CSS variables to static values and returns an updated\n * CSS string.\n *\n * @param {object}   cssText CSS containing variable definitions and functions\n * @param {object}   [options] Options object\n * @param {boolean}  [options.fixNestedCalc=true] Removes nested 'calc' keywords\n *                   for legacy browser compatibility.\n * @param {boolean}  [options.onlyVars=true] Remove declarations that do not\n *                   contain a CSS variable from the return value. Note that\n *                   @font-face and @keyframe rules require all declarations to\n *                   be returned if a CSS variable is used.\n * @param {boolean}  [options.persist=false] Persists options.variables,\n *                   allowing variables set in previous calls to be applied in\n *                   subsequent calls.\n * @param {boolean}  [options.preserve=false] Preserve CSS variable definitions\n *                   and functions in the return value, allowing \"live\" variable\n *                   updates via JavaScript to continue working in browsers with\n *                   native CSS variable support.\n * @param {object}   [options.variables={}] CSS variable definitions to include\n *                   during transformation. Can be used to add new override\n *                   exisitng definitions.\n * @param {function} [options.onWarning] Callback on each transformation\n *                   warning. Passes 1) warningMessage as an argument.\n * @returns {string}\n */\nfunction transformVars(cssText, options = {}) {\n    const defaults = {\n        fixNestedCalc: true,\n        onlyVars     : true,\n        persist      : false,\n        preserve     : false,\n        variables    : {},\n        onWarning() {}\n    };\n    const map       = {};\n    const settings  = mergeDeep(defaults, options);\n    const varSource = settings.persist ? persistStore : settings.variables;\n\n    // Convert cssText to AST (this could throw errors)\n    const cssTree = parseCss(cssText);\n\n    // Remove non-vars\n    if (settings.onlyVars) {\n        cssTree.stylesheet.rules = filterVars(cssTree.stylesheet.rules);\n    }\n\n    // Define variables\n    cssTree.stylesheet.rules.forEach(function(rule) {\n        const varNameIndices = [];\n\n        if (rule.type !== 'rule') {\n            return;\n        }\n\n        // only variables declared for `:root` are supported\n        if (rule.selectors.length !== 1 || rule.selectors[0] !== ':root') {\n            return;\n        }\n\n        rule.declarations.forEach(function(decl, i) {\n            const prop = decl.property;\n            const value = decl.value;\n\n            if (prop && prop.indexOf(VAR_PROP_IDENTIFIER) === 0) {\n                map[prop] = value;\n                varNameIndices.push(i);\n            }\n        });\n\n        // optionally remove `--*` properties from the rule\n        if (!settings.preserve) {\n            for (let i = varNameIndices.length - 1; i >= 0; i--) {\n                rule.declarations.splice(varNameIndices[i], 1);\n            }\n        }\n    });\n\n    // Handle variables defined in settings.variables\n    Object.keys(settings.variables).forEach(key => {\n        // Convert all property names to leading '--' style\n        const prop  = `--${key.replace(/^-+/, '')}`;\n        const value = settings.variables[key];\n\n        // Update settings.variables\n        if (key !== prop) {\n            settings.variables[prop] = value;\n            delete settings.variables[key];\n        }\n\n        // Store variables so they can be reapplied on subsequent call. For\n        // example, if '--myvar' is set on the first call it should continue to\n        // be set on each call thereafter (otherwise each call removes the\n        // previously set variables).\n        if (settings.persist) {\n            persistStore[prop] = value;\n        }\n    });\n\n    if (Object.keys(varSource).length) {\n        const newRule = {\n            declarations: [],\n            selectors   : [':root'],\n            type        : 'rule'\n        };\n\n        Object.keys(varSource).forEach(function(key) {\n            // Update internal map value with varSource value\n            map[key] = varSource[key];\n\n            // Add new declaration to newRule\n            newRule.declarations.push({\n                type    : 'declaration',\n                property: key,\n                value   : varSource[key]\n            });\n\n            // Add to persistent storage\n            if (settings.persist) {\n                persistStore[key] = varSource[key];\n            }\n        });\n\n        // Append new :root ruleset\n        if (settings.preserve) {\n            cssTree.stylesheet.rules.push(newRule);\n        }\n    }\n\n    // Resolve variables\n    walkCss(cssTree.stylesheet, function(declarations, node) {\n        let decl;\n        let resolvedValue;\n        let value;\n\n        for (let i = 0; i < declarations.length; i++) {\n            decl = declarations[i];\n            value = decl.value;\n\n            // skip comments\n            if (decl.type !== 'declaration') {\n                continue;\n            }\n\n            // skip values that don't contain variable functions\n            if (!value || value.indexOf(VAR_FUNC_IDENTIFIER + '(') === -1) {\n                continue;\n            }\n\n            resolvedValue = resolveValue(value, map, settings);\n\n            if (resolvedValue !== 'undefined') {\n                if (!settings.preserve) {\n                    decl.value = resolvedValue;\n                }\n                else {\n                    declarations.splice(i, 0, {\n                        type    : decl.type,\n                        property: decl.property,\n                        value   : resolvedValue\n                    });\n\n                    // skip ahead of preserved declaration\n                    i++;\n                }\n            }\n        }\n    });\n\n    // Fix nested calc() values\n    if (settings.fixNestedCalc) {\n        fixNestedCalc(cssTree.stylesheet.rules);\n    }\n\n    // Return CSS string\n    return stringifyCss(cssTree);\n}\n\n\n// Functions (Private)\n// =============================================================================\n/**\n * Filters rules recursively, retaining only declarations that contain either a\n * CSS variable definition (property) or function (value). Maintains all\n * declarations for @font-face and @keyframes rules that contain a CSS\n * definition or function.\n *\n * @param {array} rules\n * @returns {array}\n */\nfunction filterVars(rules) {\n    return rules.filter(rule => {\n        // Rule, @font-face, @host, @page\n        if (rule.declarations) {\n            const declArray = rule.declarations.filter(d => {\n                const hasVarProp = d.property && d.property.indexOf(VAR_PROP_IDENTIFIER) === 0;\n                const hasVarVal  = d.value && d.value.indexOf(VAR_FUNC_IDENTIFIER + '(') > -1;\n\n                return hasVarProp || hasVarVal;\n            });\n\n            // For most rule types the filtered declarations should be applied.\n            // @font-face declaratons are unique and require all declarations to\n            // be retained if any declaration contains a CSS variable definition\n            // or value.\n            if (rule.type !== 'font-face') {\n                rule.declarations = declArray;\n            }\n\n            return Boolean(declArray.length);\n        }\n        // @keyframes\n        else if (rule.keyframes) {\n            // @keyframe rules require all declarations to be retained if any\n            // declaration contains a CSS variable definition or value.\n            return Boolean(rule.keyframes.filter(k =>\n                Boolean(k.declarations.filter(d => {\n                    const hasVarProp = d.property && d.property.indexOf(VAR_PROP_IDENTIFIER) === 0;\n                    const hasVarVal  = d.value && d.value.indexOf(VAR_FUNC_IDENTIFIER + '(') > -1;\n\n                    return hasVarProp || hasVarVal;\n                }).length)\n            ).length);\n        }\n        // @document, @media, @supports\n        else if (rule.rules) {\n            rule.rules = filterVars(rule.rules).filter(r => r.declarations && r.declarations.length);\n\n            return Boolean(rule.rules.length);\n        }\n\n        return true;\n    });\n}\n\n/**\n * Removes nested calc keywords for legacy browser compatibility.\n * Example: calc(1 + calc(2 + calc(3 + 3))) => calc(1 + (2 + (3 + 3)))\n *\n * @param {array} rules\n */\nfunction fixNestedCalc(rules) {\n    const reCalcExp = /(-[a-z]+-)?calc\\(/; // Match \"calc(\" or \"-vendor-calc(\"\n\n    rules.forEach(rule => {\n        if (rule.declarations) {\n            rule.declarations.forEach(decl => {\n                let oldValue = decl.value;\n                let newValue = '';\n\n                while (reCalcExp.test(oldValue)) {\n                    const rootCalc = balanced('calc(', ')', oldValue || '');\n\n                    oldValue = oldValue.slice(rootCalc.end);\n\n                    while (reCalcExp.test(rootCalc.body)) {\n                        const nestedCalc = balanced(reCalcExp, ')', rootCalc.body);\n\n                        rootCalc.body = `${nestedCalc.pre}(${nestedCalc.body})${nestedCalc.post}`;\n                    }\n\n                    newValue += `${rootCalc.pre}calc(${rootCalc.body}`;\n                    newValue += !reCalcExp.test(oldValue) ? `)${rootCalc.post}` : '';\n                }\n\n                decl.value = newValue || decl.value;\n            });\n        }\n    });\n}\n\n/**\n * Resolve CSS variables in a value\n *\n * The second argument to a CSS variable function, if provided, is a fallback\n * value, which is used as the substitution value when the referenced variable\n * is invalid.\n *\n * var(name[, fallback])\n *\n * @param {string} value A property value containing a CSS variable function\n * @param {object} map A map of variable names and values\n * @param {object} settings Settings object passed from transformVars()\n * @return {string} A new value with CSS variables substituted or using fallback\n */\nfunction resolveValue(value, map, settings) {\n    // matches `name[, fallback]`, captures 'name' and 'fallback'\n    const RE_VAR = /([\\w-]+)(?:\\s*,\\s*)?(.*)?/;\n    const balancedParens = balanced('(', ')', value);\n    const varStartIndex  = value.indexOf('var(');\n    const varRef         = balanced('(', ')', value.substring(varStartIndex)).body;\n    const warningIntro   = 'CSS transform warning:';\n\n    /* istanbul ignore next */\n    if (!balancedParens) {\n        settings.onWarning(`${warningIntro} missing closing \")\" in the value \"${value}\"`);\n    }\n\n    /* istanbul ignore next */\n    if (varRef === '') {\n        settings.onWarning(`${warningIntro} var() must contain a non-whitespace string`);\n    }\n\n    const varFunc = VAR_FUNC_IDENTIFIER + '(' + varRef + ')';\n\n    const varResult = varRef.replace(RE_VAR, function(_, name, fallback) {\n        const replacement = map[name];\n\n        if (!replacement && !fallback) {\n            settings.onWarning(`${warningIntro} variable \"${name}\" is undefined`);\n        }\n\n        if (!replacement && fallback) {\n            return fallback;\n        }\n\n        return replacement;\n    });\n\n    // resolve the variable\n    value = value.split(varFunc).join(varResult);\n\n    // recursively resolve any remaining variables in the value\n    if (value.indexOf(VAR_FUNC_IDENTIFIER + '(') !== -1) {\n        value = resolveValue(value, map, settings);\n    }\n\n    return value;\n}\n\n\n// Exports\n// =============================================================================\nexport default transformVars;\n","/**\n * Based on rework-visit by reworkcss\n * https://github.com/reworkcss/rework-visit\n */\n\n\n// Functions\n// =============================================================================\n/**\n * Visit `node` declarations recursively and invoke `fn(declarations, node)`.\n *\n * @param {object} node\n * @param {function} fn\n */\nfunction walkCss(node, fn){\n    node.rules.forEach(function(rule){\n        // @media etc\n        if (rule.rules) {\n            walkCss(rule, fn);\n\n            return;\n        }\n\n        // keyframes\n        if (rule.keyframes) {\n            rule.keyframes.forEach(function(keyframe){\n                if (keyframe.type === 'keyframe') {\n                    fn(keyframe.declarations, rule);\n                }\n            });\n\n            return;\n        }\n\n        // @charset, @import etc\n        if (!rule.declarations) {\n            return;\n        }\n\n        fn(rule.declarations, node);\n    });\n}\n\n\n// Exports\n// =============================================================================\nexport default walkCss;\n","/**\n * Based on css parser/compiler by NxChg\n * https://github.com/NxtChg/pieces/tree/master/js/css_parser\n */\n\n\n// Functions\n// =============================================================================\n/**\n * Compiles CSS AST to string\n *\n * @param {object}   tree CSS AST object\n * @param {string}   [delim=''] CSS rule delimiter\n * @param {function} cb Function to be called before each node is processed\n * @returns {string}\n */\nfunction stringifyCss(tree, delim = '', cb) {\n    const renderMethods = {\n        charset(node) {\n            return '@charset ' + node.name + ';';\n        },\n        comment(node) {\n            // Preserve ponyfill marker comments\n            return node.comment.indexOf('__CSSVARSPONYFILL') === 0 ? '/*' + node.comment + '*/' : '';\n        },\n        'custom-media'(node) {\n            return '@custom-media ' + node.name + ' ' + node.media + ';';\n        },\n        declaration(node) {\n            return node.property + ':' + node.value + ';';\n        },\n        document(node) {\n            return '@' + (node.vendor || '') + 'document ' + node.document + '{' + visit(node.rules) + '}';\n        },\n        'font-face'(node) {\n            return '@font-face' + '{' + visit(node.declarations) + '}';\n        },\n        host(node) {\n            return '@host' + '{' + visit(node.rules) + '}';\n        },\n        import(node) {\n            // FIXED\n            return '@import ' + node.name + ';';\n        },\n        keyframe(node) {\n            return node.values.join(',') + '{' + visit(node.declarations) + '}';\n        },\n        keyframes(node) {\n            return '@' + (node.vendor || '') + 'keyframes ' + node.name + '{' + visit(node.keyframes) + '}';\n        },\n        media(node) {\n            return '@media ' + node.media + '{' + visit(node.rules) + '}';\n        },\n        namespace(node) {\n            return '@namespace ' + node.name + ';';\n        },\n        page(node) {\n            return '@page ' + (node.selectors.length ? node.selectors.join(', ') : '') + '{' + visit(node.declarations) + '}';\n        },\n        rule(node) {\n            const decls = node.declarations;\n\n            if (decls.length) {\n                return node.selectors.join(',') + '{' + visit(decls) + '}';\n            }\n        },\n        supports(node) {\n            // FIXED\n            return '@supports ' + node.supports + '{' + visit(node.rules) + '}';\n        }\n    };\n\n    function visit(nodes) {\n        let buf = '';\n\n        for (let i = 0; i < nodes.length; i++) {\n            const n = nodes[i];\n\n            if (cb) {\n                cb(n);\n            }\n\n            const txt = renderMethods[n.type](n);\n\n            if (txt) {\n                buf += txt;\n\n                if (txt.length && n.selectors) {\n                    buf += delim;\n                }\n            }\n        }\n\n        return buf;\n    }\n\n    return visit(tree.stylesheet.rules);\n}\n\n\n// Exports\n// =============================================================================\nexport default stringifyCss;\n","// Dependencies\n// =============================================================================\nimport getCssData          from 'get-css-data';\nimport mergeDeep           from './merge-deep';\nimport transformCss        from './transform-css';\nimport { name as pkgName } from '../package.json';\n\n\n// Constants & Variables\n// =============================================================================\nconst defaults = {\n    // Sources\n    include      : 'style,link[rel=stylesheet]',\n    exclude      : '',\n    // Options\n    fixNestedCalc: true,  // transformCss\n    onlyLegacy   : true,  // cssVars\n    onlyVars     : false, // cssVars, transformCss\n    preserve     : false, // transformCss\n    silent       : false, // cssVars\n    updateDOM    : true,  // cssVars\n    updateURLs   : true,  // cssVars\n    variables    : {},    // transformCss\n    // Callbacks\n    onBeforeSend() {},    // cssVars\n    onSuccess() {},       // cssVars\n    onWarning() {},       // transformCss\n    onError() {},         // cssVars\n    onComplete() {}       // cssVars\n};\nconst regex = {\n    // CSS comments\n    cssComments: /\\/\\*[\\s\\S]+?\\*\\//g,\n    // CSS url(...) values\n    cssUrls: /url\\((?!['\"]?(?:data|http|\\/\\/):)['\"]?([^'\")]*)['\"]?\\)/g,\n    // CSS variable :root declarations and var() function values\n    cssVars: /(?:(?::root\\s*{\\s*[^;]*;*\\s*)|(?:var\\(\\s*))(--[^:)]+)(?:\\s*[:)])/\n};\n\n\n// Functions\n// =============================================================================\n/**\n * Fetches, parses, and transforms CSS custom properties from specified\n * <style> and <link> elements into static values, then appends a new <style>\n * element with static values to the DOM to provide CSS custom property\n * compatibility for legacy browsers. Also provides a single interface for\n * live updates of runtime values in both modern and legacy browsers.\n *\n * @preserve\n * @param {object}   [options] Options object\n * @param {string}   [options.include=\"style,link[rel=stylesheet]\"] CSS selector\n *                   matching <link re=\"stylesheet\"> and <style> nodes to\n *                   process\n * @param {string}   [options.exclude] CSS selector matching <link\n *                   rel=\"stylehseet\"> and <style> nodes to exclude from those\n *                   matches by options.include\n * @param {boolean}  [options.fixNestedCalc=true] Removes nested 'calc' keywords\n *                   for legacy browser compatibility.\n * @param {boolean}  [options.onlyLegacy=true] Determines if the ponyfill will\n *                   only generate legacy-compatible CSS in browsers that lack\n *                   native support (i.e., legacy browsers)\n * @param {boolean}  [options.onlyVars=false] Determines if CSS rulesets and\n *                   declarations without a custom property value should be\n *                   removed from the ponyfill-generated CSS\n * @param {boolean}  [options.preserve=false] Determines if the original CSS\n *                   custom property declaration will be retained in the\n *                   ponyfill-generated CSS.\n * @param {boolean}  [options.silent=false] Determines if warning and error\n *                   messages will be displayed on the console\n * @param {boolean}  [options.updateDOM=true] Determines if the ponyfill will\n *                   update the DOM after processing CSS custom properties\n * @param {boolean}  [options.updateURLs=true] Determines if the ponyfill will\n *                   convert relative url() paths to absolute urls.\n * @param {object}   [options.variables] A map of custom property name/value\n *                   pairs. Property names can omit or include the leading\n *                   double-hyphen (—), and values specified will override\n *                   previous values.\n * @param {function} [options.onBeforeSend] Callback before XHR is sent. Passes\n *                   1) the XHR object, 2) source node reference, and 3) the\n *                   source URL as arguments.\n * @param {function} [options.onSuccess] Callback after CSS data has been\n *                   collected from each node and before CSS custom properties\n *                   have been transformed. Allows modifying the CSS data before\n *                   it is transformed by returning any string value (or false\n *                   to skip). Passes 1) CSS text, 2) source node reference, and\n *                   3) the source URL as arguments.\n * @param {function} [options.onWarning] Callback after each CSS parsing warning\n *                   has occurred. Passes 1) a warning message as an argument.\n * @param {function} [options.onError] Callback after a CSS parsing error has\n *                   occurred or an XHR request has failed. Passes 1) an error\n *                   message, and 2) source node reference, 3) xhr, and 4 url as\n *                   arguments.\n * @param {function} [options.onComplete] Callback after all CSS has been\n *                   processed, legacy-compatible CSS has been generated, and\n *                   (optionally) the DOM has been updated. Passes 1) a CSS\n *                   string with CSS variable values resolved, and 2) a\n *                   reference to the appended <style> node.\n *\n * @example\n *\n *   cssVars({\n *     include      : 'style,link[rel=\"stylesheet\"]', // default\n *     exclude      : '',\n *     fixNestedCalc: true,  // default\n *     onlyLegacy   : true,  // default\n *     onlyVars     : false, // default\n *     preserve     : false, // default\n *     silent       : false, // default\n *     updateDOM    : true,  // default\n *     updateURLs   : true,  // default\n *     variables    : {\n *       // ...\n *     },\n *     onBeforeSend(xhr, node, url) {\n *       // ...\n *     }\n *     onSuccess(cssText, node, url) {\n *       // ...\n *     },\n *     onWarning(message) {\n *       // ...\n *     },\n *     onError(message, node) {\n *       // ...\n *     },\n *     onComplete(cssText, styleNode) {\n *       // ...\n *     }\n *   });\n */\nfunction cssVars(options = {}) {\n    const settings = mergeDeep(defaults, options);\n\n    function handleError(message, sourceNode, xhr, url) {\n        /* istanbul ignore next */\n        if (!settings.silent) {\n            // eslint-disable-next-line\n            console.error(`${message}\\n`, sourceNode);\n        }\n\n        settings.onError(message, sourceNode, xhr, url);\n    }\n\n    function handleWarning(message) {\n        /* istanbul ignore next */\n        if (!settings.silent) {\n            // eslint-disable-next-line\n            console.warn(message);\n        }\n\n        settings.onWarning(message);\n    }\n\n    // Verify readyState to ensure all <link> and <style> nodes are available\n    if (document.readyState !== 'loading') {\n        const hasNativeSupport = window.CSS && window.CSS.supports && window.CSS.supports('(--a: 0)');\n\n        // Lacks native support or onlyLegacy 'false'\n        if (!hasNativeSupport || !settings.onlyLegacy) {\n            const styleNodeId = pkgName;\n\n            getCssData({\n                include: settings.include,\n                // Always exclude styleNodeId element, which is the generated\n                // <style> node containing previously transformed CSS.\n                exclude: `#${styleNodeId}` + (settings.exclude ? `,${settings.exclude}` : ''),\n                // This filter does a test on each block of CSS. An additional\n                // filter is used in the parser to remove individual\n                // declarations.\n                filter : settings.onlyVars ? regex.cssVars : null,\n                onBeforeSend: settings.onBeforeSend,\n                onSuccess(cssText, node, url) {\n                    const returnVal = settings.onSuccess(cssText, node, url);\n\n                    cssText = returnVal === false ? '' : returnVal || cssText;\n\n                    // Convert relative url(...) values to absolute\n                    if (settings.updateURLs) {\n                        const cssUrls = cssText\n                            // Remove comments to avoid processing @import in comments\n                            .replace(regex.cssComments, '')\n                            // Match url(...) values\n                            .match(regex.cssUrls) || [];\n\n                        cssUrls.forEach(cssUrl => {\n                            const oldUrl = cssUrl.replace(regex.cssUrls, '$1');\n                            const newUrl = getFullUrl(oldUrl, url);\n\n                            cssText = cssText.replace(cssUrl, cssUrl.replace(oldUrl, newUrl));\n                        });\n                    }\n\n                    return cssText;\n                },\n                onError(xhr, node, url) {\n                    const responseUrl = xhr.responseURL || getFullUrl(url, location.href);\n                    const statusText  = xhr.statusText ? `(${xhr.statusText})` : 'Unspecified Error' + (xhr.status === 0 ? ' (possibly CORS related)' : '');\n                    const errorMsg    = `CSS XHR Error: ${responseUrl} ${xhr.status} ${statusText}`;\n\n                    handleError(errorMsg, node, xhr, responseUrl);\n                },\n                onComplete(cssText, cssArray, nodeArray) {\n                    const cssMarker = /\\/\\*__CSSVARSPONYFILL-(\\d+)__\\*\\//g;\n                    let   styleNode = null;\n\n                    // Concatenate cssArray items, replacing those that do not\n                    // contain a CSS custom property declaraion or function with\n                    // a temporary marker . After the CSS is transformed, the\n                    // markers will be replaced with the matching cssArray item.\n                    // This optimization is done to avoid processing CSS that\n                    // will not change as a results of the ponyfill.\n                    cssText = cssArray.map((css, i) => regex.cssVars.test(css) ? css : `/*__CSSVARSPONYFILL-${i}__*/`).join('');\n\n                    try {\n                        cssText = transformCss(cssText, {\n                            fixNestedCalc: settings.fixNestedCalc,\n                            onlyVars     : settings.onlyVars,\n                            persist      : settings.updateDOM,\n                            preserve     : settings.preserve,\n                            variables    : settings.variables,\n                            onWarning    : handleWarning\n                        });\n\n                        let cssMarkerMatch = cssMarker.exec(cssText);\n\n                        // Replace markers with appropriate cssArray item\n                        while (cssMarkerMatch !== null) {\n                            const matchedText   = cssMarkerMatch[0];\n                            const cssArrayIndex = cssMarkerMatch[1];\n\n                            cssText = cssText.replace(matchedText, cssArray[cssArrayIndex]);\n                            cssMarkerMatch = cssMarker.exec(cssText);\n                        }\n\n                        if (settings.updateDOM && nodeArray && nodeArray.length) {\n                            const lastNode = nodeArray[nodeArray.length - 1];\n\n                            styleNode = document.querySelector(`#${styleNodeId}`) || document.createElement('style');\n                            styleNode.setAttribute('id', styleNodeId);\n\n                            if (styleNode.textContent !== cssText) {\n                                styleNode.textContent = cssText;\n                            }\n\n                            // Insert <style> element after last nodeArray item\n                            if (lastNode.nextSibling !== styleNode) {\n                                lastNode.parentNode.insertBefore(styleNode, lastNode.nextSibling);\n                            }\n                        }\n                    }\n                    catch(err) {\n                        let errorThrown = false;\n\n                        // Iterate cssArray to detect CSS text and node(s)\n                        // responsibile for error.\n                        cssArray.forEach((cssText, i) => {\n                            try {\n                                cssText = transformCss(cssText, settings);\n                            }\n                            catch(err) {\n                                const errorNode = nodeArray[i - 0];\n\n                                errorThrown = true;\n                                handleError(err.message, errorNode);\n                            }\n                        });\n\n                        // In the event the error thrown was not due to\n                        // transformCss, handle the original error.\n                        /* istanbul ignore next */\n                        if (!errorThrown) {\n                            handleError(err.message || err);\n                        }\n                    }\n\n                    settings.onComplete(cssText, styleNode);\n                }\n            });\n        }\n        // Has native support\n        else if (hasNativeSupport && settings.updateDOM) {\n            // Set variables using native methods\n            Object.keys(settings.variables).forEach(key => {\n                // Convert all property names to leading '--' style\n                const prop  = `--${key.replace(/^-+/, '')}`;\n                const value = settings.variables[key];\n\n                document.documentElement.style.setProperty(prop, value);\n            });\n        }\n    }\n    // Delay function until DOMContentLoaded event is fired\n    /* istanbul ignore next */\n    else {\n        document.addEventListener('DOMContentLoaded', function init(evt) {\n            cssVars(options);\n\n            document.removeEventListener('DOMContentLoaded', init);\n        });\n    }\n}\n\n\n// Functions (Private)\n// =============================================================================\n/**\n * Returns fully qualified URL from relative URL and (optional) base URL\n *\n * @param {any} url\n * @param {any} [base=location.href]\n * @returns\n */\nfunction getFullUrl(url, base = location.href) {\n    const d = document.implementation.createHTMLDocument('');\n    const b = d.createElement('base');\n    const a = d.createElement('a');\n\n    d.head.appendChild(b);\n    d.body.appendChild(a);\n    b.href = base;\n    a.href = url;\n\n    return a.href;\n}\n\n\n// Export\n// =============================================================================\nexport default cssVars;\n"],"names":["getUrls","urls","options","arguments","length","undefined","settings","mimeType","onBeforeSend","Function","prototype","onSuccess","onError","onComplete","urlArray","Array","isArray","urlQueue","apply","map","x","xhr","urlIndex","responseText","returnVal","indexOf","forEach","url","i","parser","document","createElement","setAttribute","href","isCrossDomain","host","location","isSameProtocol","protocol","XDomainRequest","xdr","open","timeout","onprogress","ontimeout","onload","onerror","err","setTimeout","send","console","log","XMLHttpRequest","overrideMimeType","onreadystatechange","readyState","status","getCssData","regex","cssComments","cssImports","include","exclude","filter","sourceNodes","querySelectorAll","node","elm","selector","matches","matchesSelector","webkitMatchesSelector","mozMatchesSelector","msMatchesSelector","oMatchesSelector","call","cssArray","handleComplete","cssText","join","handleSuccess","cssIndex","sourceUrl","resolveImports","baseUrl","callbackFn","__errorData","__errorRules","importData","parseImportData","rules","absoluteUrls","responseImportData","rule","replace","absoluteRules","push","responseArray","importText","resolvedCssText","errorData","data","test","ignoreRules","match","getFullUrl","oldUrl","newUrl","linkHref","getAttribute","linkRel","isLink","nodeName","toLowerCase","isStyle","textContent","base","d","implementation","createHTMLDocument","b","a","head","appendChild","body","mergeDeep","isObject","obj","Object","constructor","objects","reduce","prev","keys","pVal","key","oVal","balanced","str","RegExp","maybeMatch","r","range","start","end","pre","slice","post","reg","m","begs","beg","left","right","result","ai","bi","pop","cssParse","css","error","msg","Error","re","exec","whitespace","close","comment","type","comments","cmnts","c","trim","split","s","declaration","comment_regexp","prop","val","ret","property","value","declarations","decls","concat","keyframe","vals","values","at_rule","vendor","name","frame","frames","keyframes","at_keyframes","supports","at_supports","at_host","media","at_media","at_custom_m","selectors","at_page","at_document","at_fontface","at_x","core","sel","stylesheet","errors","persistStore","VAR_PROP_IDENTIFIER","VAR_FUNC_IDENTIFIER","transformVars","reCalcExp","varSource","persist","variables","cssTree","parseCss","onlyVars","filterVars","declArray","hasVarProp","hasVarVal","Boolean","k","varNameIndices","decl","preserve","splice","newRule","walkCss","fn","resolvedValue","resolveValue","fixNestedCalc","oldValue","newValue","rootCalc","nestedCalc","tree","delim","cb","renderMethods","visit","nodes","buf","n","txt","stringifyCss","balancedParens","varStartIndex","varRef","substring","warningIntro","onWarning","varFunc","varResult","_","fallback","replacement","defaults","cssVars","handleError","message","sourceNode","silent","handleWarning","warn","hasNativeSupport","window","CSS","onlyLegacy","updateDOM","documentElement","style","setProperty","styleNodeId","pkgName","updateURLs","cssUrls","cssUrl","responseUrl","responseURL","statusText","nodeArray","cssMarker","styleNode","transformCss","cssMarkerMatch","matchedText","cssArrayIndex","lastNode","querySelector","nextSibling","parentNode","insertBefore","errorThrown","errorNode","addEventListener","init","evt","removeEventListener"],"mappings":";;;;;;;mLAOA,SAASA,EAAQC,GACb,IAAIC,EAAUC,UAAUC,OAAS,QAAsBC,IAAjBF,UAAU,GAAmBA,UAAU,MACzEG,GACAC,SAAUL,EAAQK,UAAY,KAC9BC,aAAcN,EAAQM,cAAgBC,SAASC,UAC/CC,UAAWT,EAAQS,WAAaF,SAASC,UACzCE,QAASV,EAAQU,SAAWH,SAASC,UACrCG,WAAYX,EAAQW,YAAcJ,SAASC,WAE3CI,EAAWC,MAAMC,QAAQf,GAAQA,GAASA,GAC1CgB,EAAWF,MAAMG,MAAM,KAAMH,MAAMD,EAASV,SAASe,IAAI,SAASC,GAClE,OAAO,OAEX,SAASR,EAAQS,EAAKC,GAClBhB,EAASM,QAAQS,EAAKP,EAASQ,GAAWA,GAE9C,SAASX,EAAUY,EAAcD,GAC7B,IAAIE,EAAYlB,EAASK,UAAUY,EAAcT,EAASQ,GAAWA,GACrEC,GAA6B,IAAdC,EAAsB,GAAKA,GAAaD,EACvDN,EAASK,GAAYC,GACW,IAA5BN,EAASQ,QAAQ,OACjBnB,EAASO,WAAWI,GAG5BH,EAASY,QAAQ,SAASC,EAAKC,GAC3B,IAAIC,EAASC,SAASC,cAAc,KACpCF,EAAOG,aAAa,OAAQL,GAC5BE,EAAOI,KAAOJ,EAAOI,KACrB,IAAIC,EAAgBL,EAAOM,OAASC,SAASD,KACzCE,EAAiBR,EAAOS,WAAaF,SAASE,SAClD,GAAIJ,GAA2C,oBAAnBK,eACxB,GAAIF,EAAgB,CAChB,IAAIG,EAAM,IAAID,eACdC,EAAIC,KAAK,MAAOd,GAChBa,EAAIE,QAAU,EACdF,EAAIG,WAAalC,SAASC,UAC1B8B,EAAII,UAAYnC,SAASC,UACzB8B,EAAIK,OAAS,WACTlC,EAAU6B,EAAIjB,aAAcK,IAEhCY,EAAIM,QAAU,SAASC,GACnBnC,EAAQ4B,EAAKZ,IAEjBoB,WAAW,WACPR,EAAIS,QACL,QAEHC,QAAQC,IAAI,+EACZvC,EAAQ,KAAMgB,OAEf,CACH,IAAIP,EAAM,IAAI+B,eACd/B,EAAIoB,KAAK,MAAOd,GACZrB,EAASC,UAAYc,EAAIgC,kBACzBhC,EAAIgC,iBAAiB/C,EAASC,UAElCD,EAASE,aAAaa,EAAKM,EAAKC,GAChCP,EAAIiC,mBAAqB,WACE,IAAnBjC,EAAIkC,aACe,MAAflC,EAAImC,OACJ7C,EAAUU,EAAIE,aAAcK,GAE5BhB,EAAQS,EAAKO,KAIzBP,EAAI4B,UAqDZ,SAASQ,EAAWvD,GACpB,IAAIwD,GACAC,YAAa,oBACbC,WAAY,4EAEZtD,GACAuD,QAAS3D,EAAQ2D,SAAW,+BAC5BC,QAAS5D,EAAQ4D,SAAW,KAC5BC,OAAQ7D,EAAQ6D,QAAU,KAC1BvD,aAAcN,EAAQM,cAAgBC,SAASC,UAC/CC,UAAWT,EAAQS,WAAaF,SAASC,UACzCE,QAASV,EAAQU,SAAWH,SAASC,UACrCG,WAAYX,EAAQW,YAAcJ,SAASC,WAE3CsD,EAAcjD,MAAMG,MAAM,KAAMY,SAASmC,iBAAiB3D,EAASuD,UAAUE,OAAO,SAASG,GAC7F,OAmIiBC,EAnIOD,EAmIFE,EAnIQ9D,EAASwD,UAoI7BK,EAAIE,SAAWF,EAAIG,iBAAmBH,EAAII,uBAAyBJ,EAAIK,oBAAsBL,EAAIM,mBAAqBN,EAAIO,kBACzHC,KAAKR,EAAKC,GAF7B,IAAyBD,EAAKC,IAjItBQ,EAAW7D,MAAMG,MAAM,KAAMH,MAAMiD,EAAY5D,SAASe,IAAI,SAASC,GACrE,OAAO,OAEX,SAASyD,IAEL,IAD6C,IAA5BD,EAASnD,QAAQ,MAClB,CACZ,IAAIqD,EAAUF,EAASG,KAAK,IAC5BzE,EAASO,WAAWiE,EAASF,EAAUZ,IAG/C,SAASgB,EAAcF,EAASG,EAAUf,EAAMgB,GAC5C,IAAI1D,EAAYlB,EAASK,UAAUmE,EAASZ,EAAMgB,IAmCtD,SAASC,EAAeL,EAASZ,EAAMkB,EAASC,GAC5C,IAAIC,EAAcnF,UAAUC,OAAS,QAAsBC,IAAjBF,UAAU,GAAmBA,UAAU,MACjF,IAAIoF,EAAepF,UAAUC,OAAS,QAAsBC,IAAjBF,UAAU,GAAmBA,UAAU,MAClF,IAAIqF,EAAaC,EAAgBX,EAASM,EAASG,GAC/CC,EAAWE,MAAMtF,OACjBJ,EAAQwF,EAAWG,cACfnF,aAAc,SAAsBa,EAAKM,EAAKL,GAC1ChB,EAASE,aAAaa,EAAK6C,EAAMvC,IAErChB,UAAW,SAAmBmE,EAASnD,EAAKL,GACxC,IAAIE,EAAYlB,EAASK,UAAUmE,EAASZ,EAAMvC,GAE9CiE,EAAqBH,EADzBX,GAAwB,IAAdtD,EAAsB,GAAKA,GAAasD,EACAnD,EAAK4D,GAIvD,OAHAK,EAAmBF,MAAMhE,QAAQ,SAASmE,EAAMjE,GAC5CkD,EAAUA,EAAQgB,QAAQD,EAAMD,EAAmBG,cAAcnE,MAE9DkD,GAEXlE,QAAS,SAAiBS,EAAKM,EAAKL,GAChCgE,EAAYU,MACR3E,IAAKA,EACLM,IAAKA,IAET4D,EAAaS,KAAKR,EAAWE,MAAMpE,IACnC6D,EAAeL,EAASZ,EAAMkB,EAASC,EAAYC,EAAaC,IAEpE1E,WAAY,SAAoBoF,GAC5BA,EAAcvE,QAAQ,SAASwE,EAAYtE,GACvCkD,EAAUA,EAAQgB,QAAQN,EAAWE,MAAM9D,GAAIsE,KAEnDf,EAAeL,EAASZ,EAAMkB,EAASC,EAAYC,EAAaC,MAIxEF,EAAWP,EAASQ,IAnExBH,CADAL,GAAwB,IAAdtD,EAAsB,GAAKA,GAAasD,EAC1BZ,EAAMgB,EAAW,SAASiB,EAAiBC,GACpC,OAAvBxB,EAASK,KACTmB,EAAU1E,QAAQ,SAAS2E,GACvB,OAAO/F,EAASM,QAAQyF,EAAKhF,IAAK6C,EAAMmC,EAAK1E,QAE5CrB,EAASyD,QAAUzD,EAASyD,OAAOuC,KAAKH,GACzCvB,EAASK,GAAYkB,EAErBvB,EAASK,GAAY,GAEzBJ,OAIZ,SAASY,EAAgBX,EAASM,GAC9B,IAAImB,EAAcpG,UAAUC,OAAS,QAAsBC,IAAjBF,UAAU,GAAmBA,UAAU,MAC7EqF,KAeJ,OAdAA,EAAWE,OAASZ,EAAQgB,QAAQpC,EAAMC,YAAa,IAAI6C,MAAM9C,EAAME,iBAAmBG,OAAO,SAAS8B,GACtG,OAAsC,IAA/BU,EAAY9E,QAAQoE,KAE/BL,EAAWvF,KAAOuF,EAAWE,MAAMvE,IAAI,SAAS0E,GAC5C,OAAOA,EAAKC,QAAQpC,EAAME,WAAY,QAE1C4B,EAAWG,aAAeH,EAAWvF,KAAKkB,IAAI,SAASQ,GACnD,OAAO8E,EAAW9E,EAAKyD,KAE3BI,EAAWO,cAAgBP,EAAWE,MAAMvE,IAAI,SAAS0E,EAAMjE,GAC3D,IAAI8E,EAASlB,EAAWvF,KAAK2B,GACzB+E,EAASF,EAAWjB,EAAWG,aAAa/D,GAAIwD,GACpD,OAAOS,EAAKC,QAAQY,EAAQC,KAEzBnB,EAuCPxB,EAAY5D,OACZ4D,EAAYtC,QAAQ,SAASwC,EAAMtC,GAC/B,IAAIgF,EAAW1C,EAAK2C,aAAa,QAC7BC,EAAU5C,EAAK2C,aAAa,OAC5BE,EAA2B,SAAlB7C,EAAK8C,UAAuBJ,GAAYE,GAAqC,eAA1BA,EAAQG,cACpEC,EAA4B,UAAlBhD,EAAK8C,SACfD,EACA/G,EAAQ4G,GACJrG,SAAU,WACVC,aAAc,SAAsBa,EAAKM,EAAKL,GAC1ChB,EAASE,aAAaa,EAAK6C,EAAMvC,IAErChB,UAAW,SAAmBmE,EAASnD,EAAKL,GACxC,IAAI4D,EAAYuB,EAAWG,EAAUxE,SAASH,MAC9C+C,EAAcF,EAASlD,EAAGsC,EAAMgB,IAEpCtE,QAAS,SAAiBS,EAAKM,EAAKL,GAChCsD,EAAShD,GAAK,GACdtB,EAASM,QAAQS,EAAK6C,EAAMvC,GAC5BkD,OAGDqC,EACPlC,EAAcd,EAAKiD,YAAavF,EAAGsC,EAAM9B,SAASH,OAElD2C,EAAShD,GAAK,GACdiD,OAIRvE,EAASO,WAAW,OAI5B,SAAS4F,EAAW9E,GAChB,IAAIyF,EAAOjH,UAAUC,OAAS,QAAsBC,IAAjBF,UAAU,GAAmBA,UAAU,GAAKiC,SAASH,KACpFoF,EAAIvF,SAASwF,eAAeC,mBAAmB,IAC/CC,EAAIH,EAAEtF,cAAc,QACpB0F,EAAIJ,EAAEtF,cAAc,KAKxB,OAJAsF,EAAEK,KAAKC,YAAYH,GACnBH,EAAEO,KAAKD,YAAYF,GACnBD,EAAEvF,KAAOmF,EACTK,EAAExF,KAAON,EACF8F,EAAExF,KCpQb,SAAS4F,YACCC,EAAW,mBAAOC,aAAeC,QAAUD,EAAIE,cAAgBD,2BADnDE,gDAGXA,EAAQC,OAAO,SAACC,EAAML,iBAClBM,KAAKN,GAAKrG,QAAQ,gBACf4G,EAAOF,EAAKG,GACZC,EAAOT,EAAIQ,GAKbT,EAASQ,IAASR,EAASU,KACtBD,GAAOV,EAAUS,EAAME,KAGvBD,GAAOC,IAIbJ,OC3Bf,MAAiBK,EACjB,SAASA,EAAShB,EAAGD,EAAGkB,GAClBjB,aAAakB,SAAQlB,EAAImB,EAAWnB,EAAGiB,IACvClB,aAAamB,SAAQnB,EAAIoB,EAAWpB,EAAGkB,IAE3C,IAAIG,EAAIC,EAAMrB,EAAGD,EAAGkB,GAEpB,OAAOG,IACLE,MAAOF,EAAE,GACTG,IAAKH,EAAE,GACPI,IAAKP,EAAIQ,MAAM,EAAGL,EAAE,IACpBjB,KAAMc,EAAIQ,MAAML,EAAE,GAAKpB,EAAErH,OAAQyI,EAAE,IACnCM,KAAMT,EAAIQ,MAAML,EAAE,GAAKrB,EAAEpH,SAI7B,SAASwI,EAAWQ,EAAKV,GACvB,IAAIW,EAAIX,EAAIlC,MAAM4C,GAClB,OAAOC,EAAIA,EAAE,GAAK,KAIpB,SAASP,EAAMrB,EAAGD,EAAGkB,GACnB,IAAIY,EAAMC,EAAKC,EAAMC,EAAOC,EACxBC,EAAKjB,EAAIjH,QAAQgG,GACjBmC,EAAKlB,EAAIjH,QAAQ+F,EAAGmC,EAAK,GACzB/H,EAAI+H,EAER,GAAIA,GAAM,GAAKC,EAAK,EAAG,CAIrB,IAHAN,KACAE,EAAOd,EAAItI,OAEJwB,GAAK,IAAM8H,GACZ9H,GAAK+H,GACPL,EAAKtD,KAAKpE,GACV+H,EAAKjB,EAAIjH,QAAQgG,EAAG7F,EAAI,IACA,GAAf0H,EAAKlJ,OACdsJ,GAAWJ,EAAKO,MAAOD,KAEvBL,EAAMD,EAAKO,OACDL,IACRA,EAAOD,EACPE,EAAQG,GAGVA,EAAKlB,EAAIjH,QAAQ+F,EAAG5F,EAAI,IAG1BA,EAAI+H,EAAKC,GAAMD,GAAM,EAAIA,EAAKC,EAG5BN,EAAKlJ,SACPsJ,GAAWF,EAAMC,IAIrB,OAAOC,EC3CT,SAASI,EAASC,YAKLC,EAAMC,SACL,IAAIC,0BAA0BD,YAM/BzD,EAAM2D,OACLd,EAAIc,EAAGC,KAAKL,MAEdV,WACMU,EAAIb,MAAMG,EAAE,GAAGjJ,QAEdiJ,WAINgB,MACC,iBAED5H,WACE+D,EAAM,kBAER8D,WACE9D,EAAM,eAKR+D,WAGU,MAAXR,EAAI,IAAyB,MAAXA,EAAI,YAEtBnI,EAAI,EACDmI,EAAInI,KAAkB,MAAXmI,EAAInI,IAA6B,MAAfmI,EAAInI,EAAI,aAGvCmI,EAAInI,UAAaoI,EAAM,iCAEtBtB,EAAMqB,EAAIb,MAAM,EAAGtH,YACnBmI,EAAIb,MAAMtH,EAAI,IAEX4I,KAAM,UAAWD,QAAS7B,aAE9B+B,YACCC,KAEFC,SAEIA,EAAIJ,OACFvE,KAAK2E,UAERD,WAKFtG,YAEa,MAAX2F,EAAI,MACD,6BAGJV,EAAI7C,EAAM,iDAEZ6C,SACKA,EAAE,GACNuB,OACA9E,QAAQ,+CAAgD,IACxDA,QAAQ,mCAAoC,SAASuD,UAC3CA,EAAEvD,QAAQ,KAAM,OAE1B+E,MAAM,sBACN1J,IAAI,SAAS2J,UACHA,EAAEhF,QAAQ,UAAW,gBAM/BiF,MACC,kBAEAC,EAAiB,kCAEnBC,EAAOzE,EAAM,6CACZyE,QAEEA,EAAK,GAAGL,QAEVpE,EAAM,gBAAmBwD,EAAM,4BAG9BkB,EAAM1E,EAAM,wGAEZ2E,GAAQX,KAAM,cAAeY,SAAUH,EAAKnF,QAAQkF,EAAgB,IAAKK,MAAOH,EAAMA,EAAI,GAAGpF,QAAQkF,EAAgB,IAAIJ,OAAS,aAElI,WAECO,YAEFG,QACA7I,WAAiBuH,EAAM,uBAExB3C,SACAkE,EAAQd,IAEJpD,EAAI0D,OACF/E,KAAKqB,KACHkE,EAAMC,OAAOf,YAGpBH,IAEEiB,EAFgBvB,EAAM,wBAOxByB,gBAGCC,KAEFrC,SAEIA,EAAI7C,EAAM,0CACTR,KAAKqD,EAAE,MACN,YAGNqC,EAAKtL,cAAmBoK,KAAM,WAAYmB,OAAQD,EAAMJ,aAAcA,cAkErEM,WAEU,MAAX7B,EAAI,yBAjEJV,EAAI7C,EAAM,8BAET6C,OAECwC,EAASxC,EAAE,UAEb7C,EAAM,wBACOwD,EAAM,+BAEjB8B,EAAOzC,EAAE,OAEV5G,WAAiBuH,EAAM,kCAExB+B,SACAC,EAASvB,IACLsB,EAAQN,OACLzF,KAAK+F,KACHC,EAAOR,OAAOf,YAGtBH,KAEIE,KAAM,YAAasB,KAAMA,EAAMD,OAAQA,EAAQI,UAAWD,GAF5ChC,EAAM,2BA6CAkC,mBA1BvB7C,EAAI7C,EAAM,0BACZ6C,SAAcmB,KAAM,WAAY2B,SAAU9C,EAAE,GAAGuB,OAAQlF,MAAOA,KAyBnB0G,kBAtBrC5F,EAAM,oBACEgE,KAAM,OAAQ9E,MAAOA,KAqByB2G,mBAlB1DhD,EAAI7C,EAAM,uBACZ6C,SAAcmB,KAAM,QAAS8B,MAAOjD,EAAE,GAAGuB,OAAQlF,MAAOA,KAiBiB6G,mBAdvElD,EAAI7C,EAAM,8CACZ6C,SAAcmB,KAAM,eAAgBsB,KAAMzC,EAAE,GAAGuB,OAAQ0B,MAAOjD,EAAE,GAAGuB,QAaoB4B,kBArCjFhG,EAAM,mBAGHgE,KAAM,OAAQiC,UADXrI,QAC2BkH,aAAcA,KAkCmDoB,mBAVtGrD,EAAI7C,EAAM,mCAEZ6C,SAAcmB,KAAM,WAAY1I,SAAUuH,EAAE,GAAGuB,OAAQiB,OAAQxC,EAAE,GAAKA,EAAE,GAAGuB,OAAS,KAAMlF,MAAOA,KAQoBiH,kBA9B/GnG,EAAM,yBACEgE,KAAM,YAAac,aAAcA,KA6BuFsB,mBALpIvD,EAAI7C,EAAM,8CACZ6C,SAAcmB,KAAMnB,EAAE,GAAIyC,KAAMzC,EAAE,GAAGuB,QAIkHiC,YAatJnH,EAAMoH,OACNA,IAASrK,WAAiBuH,EAAM,uBAR/B+C,EAUF7I,SACAwB,EAAQ+E,IAELV,EAAI3J,SAAW0M,GAAmB,MAAX/C,EAAI,MAAgB7F,EAAO0H,WAbnDmB,GAAAA,EAAM3I,SACHhE,UAAgB,qBAIhBoK,KAAM,OAAQiC,UAAWM,EAAKzB,aAFzBA,UAWJtF,KAAK9B,KACHwB,EAAM8F,OAAOf,YAGpBqC,GAASxC,IAEP5E,EAFyBsE,EAAM,sBAKjCQ,KAAM,aAAcwC,YAActH,MAAOA,GAAM,GAAOuH,YDlOnExE,EAASK,MAAQA,EELjB,IAAMoE,KACAC,EAAsB,KACtBC,EAAsB,MA+B5B,SAASC,EAAcvI,OAuNAY,EACb4H,EA/MAnM,KACAb,EAAYuH,kBARC,YACA,WACA,YACA,kGAMb0F,EAAYjN,EAASkN,QAAUN,EAAe5M,EAASmN,UAGvDC,EAAUC,EAAS7I,MAGrBxE,EAASsN,aACDZ,WAAWtH,MAkJ3B,SAASmI,EAAWnI,UACTA,EAAM3B,OAAO,eAEZ8B,EAAKyF,aAAc,KACbwC,EAAYjI,EAAKyF,aAAavH,OAAO,gBACjCgK,EAAa1G,EAAE+D,UAAwD,IAA5C/D,EAAE+D,SAAS3J,QAAQ0L,GAC9Ca,EAAa3G,EAAEgE,OAAShE,EAAEgE,MAAM5J,QAAQ2L,EAAsB,MAAQ,SAErEW,GAAcC,UAOP,cAAdnI,EAAK2E,SACAc,aAAewC,GAGjBG,QAAQH,EAAU1N,QAGxB,OAAIyF,EAAKoG,UAGHgC,QAAQpI,EAAKoG,UAAUlI,OAAO,mBACjCkK,QAAQC,EAAE5C,aAAavH,OAAO,gBACpBgK,EAAa1G,EAAE+D,UAAwD,IAA5C/D,EAAE+D,SAAS3J,QAAQ0L,GAC9Ca,EAAa3G,EAAEgE,OAAShE,EAAEgE,MAAM5J,QAAQ2L,EAAsB,MAAQ,SAErEW,GAAcC,IACtB5N,UACLA,SAGGyF,EAAKH,UACLA,MAAQmI,EAAWhI,EAAKH,OAAO3B,OAAO,mBAAK8E,EAAEyC,cAAgBzC,EAAEyC,aAAalL,SAE1E6N,QAAQpI,EAAKH,MAAMtF,WAxLHyN,CAAWH,EAAQV,WAAWtH,UAIrDsH,WAAWtH,MAAMhE,QAAQ,SAASmE,OAChCsI,QAEY,SAAdtI,EAAK2E,MAKqB,IAA1B3E,EAAK4G,UAAUrM,QAAsC,UAAtByF,EAAK4G,UAAU,OAI7CnB,aAAa5J,QAAQ,SAAS0M,EAAMxM,OAC/BqJ,EAAOmD,EAAKhD,SACZC,EAAQ+C,EAAK/C,MAEfJ,GAA8C,IAAtCA,EAAKxJ,QAAQ0L,OACjBlC,GAAQI,IACGrF,KAAKpE,OAKvBtB,EAAS+N,cACL,IAAIzM,EAAIuM,EAAe/N,OAAS,EAAGwB,GAAK,EAAGA,MACvC0J,aAAagD,OAAOH,EAAevM,GAAI,YAMjDyG,KAAK/H,EAASmN,WAAW/L,QAAQ,gBAE9BuJ,OAAa1C,EAAIzC,QAAQ,MAAO,IAChCuF,EAAQ/K,EAASmN,UAAUlF,GAG7BA,IAAQ0C,MACCwC,UAAUxC,GAAQI,SACpB/K,EAASmN,UAAUlF,IAO1BjI,EAASkN,YACIvC,GAAQI,KAIzBrD,OAAOK,KAAKkF,GAAWnN,OAAQ,KACzBmO,8BAEa,cACD,eAGXlG,KAAKkF,GAAW7L,QAAQ,SAAS6G,KAEhCA,GAAOgF,EAAUhF,KAGb+C,aAAatF,WACP,uBACAuC,QACAgF,EAAUhF,KAIpBjI,EAASkN,YACIjF,GAAOgF,EAAUhF,MAKlCjI,EAAS+N,YACDrB,WAAWtH,MAAMM,KAAKuI,UCvI1C,SAASC,EAAQtK,EAAMuK,KACd/I,MAAMhE,QAAQ,SAASmE,GAEpBA,EAAKH,QACGG,EAAM4I,GAMd5I,EAAKoG,YACAA,UAAUvK,QAAQ,SAAS+J,GACN,aAAlBA,EAASjB,QACNiB,EAASH,aAAczF,KAQjCA,EAAKyF,gBAIPzF,EAAKyF,aAAcpH,MDmHlBwJ,EAAQV,WAAY,SAAS1B,EAAcpH,WAC3CkK,SACAM,SACArD,SAEKzJ,EAAI,EAAGA,EAAI0J,EAAalL,OAAQwB,SAC9B0J,EAAa1J,IACPyJ,MAGK,gBAAd+C,EAAK5D,MAKJa,IAAuD,IAA9CA,EAAM5J,QAAQ2L,EAAsB,MAM5B,iBAFNuB,EAAatD,EAAOlK,EAAKb,MAGhCA,EAAS+N,YAIGC,OAAO1M,EAAG,QACTwM,EAAK5D,cACL4D,EAAKhD,eACLsD,WANTrD,MAAQqD,KAiBzBpO,EAASsO,gBAuEMlJ,EAtEDgI,EAAQV,WAAWtH,MAuE/B4H,EAAY,sBAEZ5L,QAAQ,YACNmE,EAAKyF,gBACAA,aAAa5J,QAAQ,oBAClBmN,EAAWT,EAAK/C,MAChByD,EAAW,GAERxB,EAAUhH,KAAKuI,IAAW,KACvBE,EAAWtG,EAAS,QAAS,IAAKoG,GAAY,UAEzCA,EAAS3F,MAAM6F,EAAS/F,KAE5BsE,EAAUhH,KAAKyI,EAASnH,OAAO,KAC5BoH,EAAavG,EAAS6E,EAAW,IAAKyB,EAASnH,QAE5CA,KAAUoH,EAAW/F,QAAO+F,EAAWpH,SAAQoH,EAAW7F,QAGxD4F,EAAS9F,YAAW8F,EAASnH,QAC/B0F,EAAUhH,KAAKuI,GAAkC,OAAlBE,EAAS5F,OAGpDkC,MAAQyD,GAAYV,EAAK/C,WEjR9C,SAAsB4D,OAAMC,yDAAQ,GAAIC,eAC9BC,oBACMlL,SACG,YAAcA,EAAK4H,KAAO,sBAE7B5H,UAEiD,IAA9CA,EAAKqG,QAAQ9I,QAAQ,qBAA6B,KAAOyC,EAAKqG,QAAU,KAAO,4BAE3ErG,SACJ,iBAAmBA,EAAK4H,KAAO,IAAM5H,EAAKoI,MAAQ,0BAEjDpI,UACDA,EAAKkH,SAAW,IAAMlH,EAAKmH,MAAQ,uBAErCnH,SACE,KAAOA,EAAK2H,QAAU,IAAM,YAAc3H,EAAKpC,SAAW,IAAMuN,EAAMnL,EAAKwB,OAAS,0BAEnFxB,SACD,cAAqBmL,EAAMnL,EAAKoH,cAAgB,mBAEtDpH,SACM,SAAgBmL,EAAMnL,EAAKwB,OAAS,qBAExCxB,SAEI,WAAaA,EAAK4H,KAAO,uBAE3B5H,UACEA,EAAKyH,OAAO5G,KAAK,KAAO,IAAMsK,EAAMnL,EAAKoH,cAAgB,wBAE1DpH,SACC,KAAOA,EAAK2H,QAAU,IAAM,aAAe3H,EAAK4H,KAAO,IAAMuD,EAAMnL,EAAK+H,WAAa,oBAE1F/H,SACK,UAAYA,EAAKoI,MAAQ,IAAM+C,EAAMnL,EAAKwB,OAAS,wBAEpDxB,SACC,cAAgBA,EAAK4H,KAAO,mBAElC5H,SACM,UAAYA,EAAKuI,UAAUrM,OAAS8D,EAAKuI,UAAU1H,KAAK,MAAQ,IAAM,IAAMsK,EAAMnL,EAAKoH,cAAgB,mBAE7GpH,OACKqH,EAAQrH,EAAKoH,gBAEfC,EAAMnL,cACC8D,EAAKuI,UAAU1H,KAAK,KAAO,IAAMsK,EAAM9D,GAAS,uBAGtDrH,SAEE,aAAeA,EAAKiI,SAAW,IAAMkD,EAAMnL,EAAKwB,OAAS,eAI/D2J,EAAMC,WACPC,EAAM,GAED3N,EAAI,EAAGA,EAAI0N,EAAMlP,OAAQwB,IAAK,KAC7B4N,EAAIF,EAAM1N,GAEZuN,KACGK,OAGDC,EAAML,EAAcI,EAAEhF,MAAMgF,GAE9BC,OACOA,EAEHA,EAAIrP,QAAUoP,EAAE/C,eACTyC,WAKZK,SAGJF,EAAMJ,EAAKjC,WAAWtH,OFuGtBgK,CAAahC,GA8GxB,SAASiB,EAAatD,EAAOlK,EAAKb,OAGxBqP,EAAiBlH,EAAS,IAAK,IAAK4C,GACpCuE,EAAiBvE,EAAM5J,QAAQ,QAC/BoO,EAAiBpH,EAAS,IAAK,IAAK4C,EAAMyE,UAAUF,IAAgBhI,KACpEmI,EAAiB,yBAGlBJ,KACQK,UAAaD,wCAAkD1E,OAI7D,KAAXwE,KACSG,UAAaD,qDAGpBE,EAAU7C,EAAsB,IAAMyC,EAAS,IAE/CK,EAAYL,EAAO/J,QAlBV,4BAkB0B,SAASqK,EAAGrE,EAAMsE,OACjDC,EAAclP,EAAI2K,UAEnBuE,GAAgBD,KACRJ,UAAaD,gBAA0BjE,qBAG/CuE,GAAeD,EACTA,EAGJC,WAOuC,OAH1ChF,EAAMR,MAAMoF,GAASlL,KAAKmL,IAGxBzO,QAAQ2L,EAAsB,SAC5BuB,EAAatD,EAAOlK,EAAKb,IAG9B+K,4BGrVLiF,WAEa,qCACA,kBAEA,cACA,YACA,YACA,UACA,aACA,cACA,qIASb5M,eAEW,4BAEJ,kEAEA,oEAqRb,SAAS+C,EAAW9E,OAAKyF,yDAAOhF,SAASH,KAC/BoF,EAAIvF,SAASwF,eAAeC,mBAAmB,IAC/CC,EAAIH,EAAEtF,cAAc,QACpB0F,EAAIJ,EAAEtF,cAAc,cAExB2F,KAAKC,YAAYH,KACjBI,KAAKD,YAAYF,KACjBxF,KAAOmF,IACPnF,KAAON,EAEF8F,EAAExF,YAhMb,SAASsO,QAAQrQ,4DACPI,EAAWuH,EAAUyI,EAAUpQ,YAE5BsQ,EAAYC,EAASC,EAAYrP,EAAKM,GAEtCrB,EAASqQ,gBAEF3G,MAASyG,OAAaC,KAGzB9P,QAAQ6P,EAASC,EAAYrP,EAAKM,YAGtCiP,EAAcH,GAEdnQ,EAASqQ,gBAEFE,KAAKJ,KAGRT,UAAUS,MAIK,YAAxB3O,SAASyB,WAA0B,KAC7BuN,EAAmBC,OAAOC,KAAOD,OAAOC,IAAI7E,UAAY4E,OAAOC,IAAI7E,SAAS,eAG7E2E,GAAqBxQ,EAAS2Q,WA0H1BH,GAAoBxQ,EAAS4Q,kBAE3B7I,KAAK/H,EAASmN,WAAW/L,QAAQ,gBAE9BuJ,OAAa1C,EAAIzC,QAAQ,MAAO,IAChCuF,EAAQ/K,EAASmN,UAAUlF,YAExB4I,gBAAgBC,MAAMC,YAAYpG,EAAMI,SAjIV,KACrCiG,EAAcC,aAGPjR,EAASuD,gBAGT,IAAIyN,GAAiBhR,EAASwD,YAAcxD,EAASwD,QAAY,WAIjExD,EAASsN,SAAWlK,EAAM6M,QAAU,kBAC/BjQ,EAASE,gCACbsE,EAASZ,EAAMvC,OACfH,EAAYlB,EAASK,UAAUmE,EAASZ,EAAMvC,aAE5B,IAAdH,EAAsB,GAAKA,GAAasD,EAG9CxE,EAASkR,aACO1M,EAEXgB,QAAQpC,EAAMC,YAAa,IAE3B6C,MAAM9C,EAAM+N,cAET/P,QAAQ,gBACNgF,EAASgL,EAAO5L,QAAQpC,EAAM+N,QAAS,MACvC9K,EAASF,EAAWC,EAAQ/E,KAExBmD,EAAQgB,QAAQ4L,EAAQA,EAAO5L,QAAQY,EAAQC,MAI1D7B,oBAEHzD,EAAK6C,EAAMvC,OACTgQ,EAActQ,EAAIuQ,aAAenL,EAAW9E,EAAKS,SAASH,MAC1D4P,EAAcxQ,EAAIwQ,eAAiBxQ,EAAIwQ,eAAgB,qBAAsC,IAAfxQ,EAAImC,OAAe,2BAA6B,wBAC9FmO,MAAetQ,EAAImC,WAAUqO,EAE7C3N,EAAM7C,EAAKsQ,wBAE1B7M,EAASF,EAAUkN,OACpBC,EAAY,qCACZC,EAAY,OAQRpN,EAASzD,IAAI,SAAC4I,EAAKnI,UAAM8B,EAAM6M,QAAQjK,KAAKyD,GAAOA,yBAA6BnI,WAASmD,KAAK,UAG1FkN,EAAanN,iBACJxE,EAASsO,uBACTtO,EAASsN,iBACTtN,EAAS4Q,mBACT5Q,EAAS+N,mBACT/N,EAASmN,oBACTmD,YAGfsB,EAAiBH,EAAU3H,KAAKtF,GAGV,OAAnBoN,GAAyB,KACtBC,EAAgBD,EAAe,GAC/BE,EAAgBF,EAAe,KAE3BpN,EAAQgB,QAAQqM,EAAavN,EAASwN,MAC/BL,EAAU3H,KAAKtF,MAGhCxE,EAAS4Q,WAAaY,GAAaA,EAAU1R,OAAQ,KAC/CiS,EAAWP,EAAUA,EAAU1R,OAAS,MAElC0B,SAASwQ,kBAAkBhB,IAAkBxP,SAASC,cAAc,UACtEC,aAAa,KAAMsP,GAEzBU,EAAU7K,cAAgBrC,MAChBqC,YAAcrC,GAIxBuN,EAASE,cAAgBP,KAChBQ,WAAWC,aAAaT,EAAWK,EAASE,cAIjE,MAAMxP,OACE2P,GAAc,IAIThR,QAAQ,SAACoD,EAASlD,SAETqQ,EAAanN,EAASxE,GAEpC,MAAMyC,OACI4P,EAAYb,EAAUlQ,EAAI,MAElB,IACFmB,EAAI0N,QAASkC,MAO5BD,KACW3P,EAAI0N,SAAW1N,KAI1BlC,WAAWiE,EAASkN,qBAmBhCY,iBAAiB,mBAAoB,SAASC,EAAKC,KAChD5S,YAEC6S,oBAAoB,mBAAoBF"}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index a4600de2ecd5934a5053854e899465887b7036bd..e822e14322c63d9e08f0fab047db4a4ab4908e08 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1756,6 +1756,11 @@
         }
       }
     },
+    "css-vars-ponyfill": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-1.7.2.tgz",
+      "integrity": "sha512-RpLdL58aY3/k7pACmfTttNKjJF9o3SFfX9chfWRYZx4WY1PdTRTC8glrmW2AybYvGzKtjVde3kocpDy/QuhuwQ=="
+    },
     "cssesc": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-0.1.0.tgz",
diff --git a/package.json b/package.json
index cb60d371b46e0aa130082f6ccf59d15bb6df1268..2bf4cefe0a39471f293ba41c556f3ae9d8219fd1 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "blueimp-md5": "^2.7.0",
     "bootstrap": "^3.3.7",
     "clipboard": "^1.7.1",
+    "css-vars-ponyfill": "^1.7.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.1.2",
     "dompurify": "^1.0.4",
     "es6-shim": "^0.35.4",