Update more instances of default admin blues and grays.

props hugobaeta.
fixes #31234.

Built from https://develop.svn.wordpress.org/trunk@32051


git-svn-id: http://core.svn.wordpress.org/trunk@32030 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/customize-widgets.css

@@ -160,7 +160,7 @@
 	display: block;
 	width: 33px; /* was 42px for mobile */
 	height: 43px;
-	color: #888;
+	color: #82878c;
 	text-indent: -9999px;
 	cursor: pointer;
 	outline: none;
@@ -259,7 +259,7 @@
 #customize-theme-controls .widget-area-select .selected {
 	color: #fff;
 	text-shadow: 0 -1px 0 rgba(0,0,0,.4);
-	background: #2ea2cc;
+	background: #00a0d2;
 }
 
 #customize-theme-controls .widget-area-select .selected:before {
@@ -319,7 +319,7 @@ body.adding-widget .add-new-widget,
 body.adding-widget .add-new-widget:hover {
 	background: #eee;
 	border-color: #999;
-	color: #333;
+	color: #32373c;
 	-webkit-box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
 	box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
 }
@@ -439,7 +439,7 @@ body.adding-widget #customize-preview {
 	margin-right: 20px;
 	width: 20px;
 	height: 20px;
-	color: #333;
+	color: #32373c;
 	font: normal 20px/1 'dashicons';
 	text-align: center;
 	-webkit-box-sizing: border-box;