diff --git a/core/css/fixes.css b/core/css/fixes.css
index acea53258eb920d66a7d3fbec940399a1568ca5b..f1dc016cad2cdcf63b00fba5130ea33af8dd806f 100644
--- a/core/css/fixes.css
+++ b/core/css/fixes.css
@@ -86,3 +86,8 @@ select {
 	left: 6px;
 }
 
+/* fix background of navigation popup in IE8 */
+.ie8 #navigation {
+	background-color: #24282F;
+}
+
diff --git a/core/css/header.css b/core/css/header.css
index 8ec29345b7dbbdffd7efda695764526a77bf9c94..d2645c6a7d5ff26434d5722ea24bfe278b37fe43 100644
--- a/core/css/header.css
+++ b/core/css/header.css
@@ -129,7 +129,6 @@
 	max-height: 85%;
 	margin-top: 0;
 	padding-bottom: 10px;
-	background-color: #24282F;
 	background-color: rgba(36, 40, 47, .97);
 	border-bottom-right-radius: 7px;
 	box-shadow: 0 0 7px rgba(29,45,68,.97);