diff --git a/core/css/icons.scss b/core/css/icons.scss
index 610a695d0e64303c4ae943889c61df6df49ef91c..87fb835f677716bd33d2c229bf11bfb51db83305 100644
--- a/core/css/icons.scss
+++ b/core/css/icons.scss
@@ -89,6 +89,10 @@ img, object, video, button, textarea, input, select, div[contenteditable=true] {
 	background-size: 32px !important;
 }
 
+.icon-shadow {
+	filter: drop-shadow(0 1px 3px $color-box-shadow);
+}
+
 /* ICONS -------------------------------------------------------------------- */
 .icon-add {
 	background-image: url('../img/actions/add.svg?v=1');