diff --git a/core/css/header.css b/core/css/header.css
index 6078008f91..93a873ef86 100644
--- a/core/css/header.css
+++ b/core/css/header.css
@@ -151,7 +151,7 @@
 	max-height: 85%;
 	margin-top: 0;
 	padding-bottom: 10px;
-	background-color: rgba(0, 0, 0, .97);
+	background-color: rgba(255, 255, 255, .97);
 	box-shadow: 0 1px 10px rgba(50, 50, 50, .7);
 	border-radius: 3px;
 	border-top-left-radius: 0;
@@ -171,7 +171,7 @@
 	position: absolute;
 	pointer-events: none;
 	border-color: rgba(0, 0, 0, 0);
-	border-bottom-color: rgba(0, 0, 0, .97);
+	border-bottom-color: rgba(255, 255, 255, .97);
 	border-width: 10px;
 	margin-left: -10px;
 }
@@ -204,7 +204,7 @@
 	padding-left: 0;
 	width: 80px;
 	text-align: center;
-	color: #fff;
+	color: #000;
 	white-space:nowrap;
 	overflow:hidden;
 	text-overflow:ellipsis;
@@ -212,8 +212,8 @@
 	/* icon opacity and hover effect */
 	#navigation a img,
 	#navigation a span {
-		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
-		opacity: .7;
+		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=60)";
+		opacity: .6;
 	}
 	#navigation a:hover img,
 	#navigation a:focus img,
@@ -221,11 +221,16 @@
 	#navigation a:focus span,
 	#navigation a.active img,
 	#navigation a.active span {
-		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
-		opacity: 1;
+		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";
+		opacity: 0.8;
 	}
 
 #navigation .app-icon {
+	-webkit-filter: invert(100%);
+	-moz-filter: invert(100%);
+	-o-filter: invert(100%);
+	-ms-filter: "progid:DXImageTransform.Microsoft.Invert(100%)";
+	filter: invert(100%);
 	margin: 0 auto;
 	padding: 0;
 	max-height: 32px;
@@ -252,8 +257,8 @@
 	height: 32px;
 }
 #navigation .app-loading .app-icon {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=10)";
-	opacity: .1;
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
+	opacity: 0;
 }
 
 #apps {