diff -r 346c88efed21 -r 5e2f62d02dcd wp/wp-includes/css/wp-auth-check.css
--- a/wp/wp-includes/css/wp-auth-check.css	Mon Jun 08 16:11:51 2015 +0000
+++ b/wp/wp-includes/css/wp-auth-check.css	Tue Jun 09 03:35:32 2015 +0200
@@ -13,9 +13,9 @@
 	left: 0;
 	right: 0;
 	background: #000;
-	opacity: 0.5;
-	filter: alpha(opacity=50);
-	z-index: 1000000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 1000010; /* needs to appear above .notification-dialog */
 }
 
 #wp-auth-check-wrap #wp-auth-check {
@@ -28,10 +28,18 @@
 	width: 380px;
 	margin: 0 0 0 -190px;
 	padding: 30px 0 0;
-	background-color: #fbfbfb;
-	-webkit-border-radius: 3px;
-	border-radius: 3px;
-	z-index: 1000001;
+	background-color: #f1f1f1;
+	z-index: 1000011; /* needs to appear above #wp-auth-check-bg */
+	-webkit-box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+}
+
+@media screen and ( max-width: 380px ) {
+	#wp-auth-check-wrap #wp-auth-check {
+		left: 0;
+		width: 100%;
+		margin: 0;
+	}
 }
 
 #wp-auth-check-wrap.fallback #wp-auth-check {
@@ -40,31 +48,48 @@
 }
 
 #wp-auth-check-wrap #wp-auth-check-form {
-	background: url(../images/wpspin-2x.gif) no-repeat center center;
+	background: url(../images/spinner-2x.gif) no-repeat center center;
+	-webkit-background-size: 16px 16px;
 	background-size: 16px 16px;
 	height: 100%;
+	overflow: auto;
+	-webkit-overflow-scrolling: touch;
 }
 
 #wp-auth-check-wrap #wp-auth-check-form iframe {
-	height: 100%;
+	height: 98%; /* Scrollbar fix */
 	width: 100%;
-	overflow: auto;
 }
 
 #wp-auth-check-wrap .wp-auth-check-close {
 	position: absolute;
 	top: 8px;
 	right: 8px;
-	height: 14px;
-	width: 14px;
+	height: 22px;
+	width: 22px;
 	cursor: pointer;
-	background-image: url(../images/uploader-icons.png);
-	background-repeat: no-repeat;
-	background-position: -100px 0;
+}
+
+#wp-auth-check-wrap .wp-auth-check-close:before {
+	content: '\f158';
+	display: block !important;
+	font: normal 20px/1 'dashicons';
+	speak: none;
+	height: 22px;
+	margin: 2px 0;
+	text-align: center;
+	width: 22px;
+	color: #777;
+	-webkit-font-smoothing: antialiased !important;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#wp-auth-check-wrap .wp-auth-check-close:hover:before {
+	color: #0073aa;
 }
 
 #wp-auth-check-wrap .wp-auth-check-close:focus {
-	outline: 1px dotted #888;
+	outline: 1px dotted #82878c;
 }
 
 #wp-auth-check-wrap .wp-auth-fallback-expired {
@@ -82,13 +107,3 @@
 #wp-auth-check-wrap.fallback .wp-auth-check-close {
 	display: block;
 }
-
-@media print,
-  (-o-min-device-pixel-ratio: 5/4),
-  (-webkit-min-device-pixel-ratio: 1.25),
-  (min-resolution: 120dpi) {
-	#wp-auth-check-wrap .wp-auth-check-close {
-		background-image: url(../images/uploader-icons-2x.png);
-  		background-size: 134px 15px;
-	}
-}