Ticket #31898: 31898.patch

src/wp-includes/css/media-views.css

@@ -1487 +1487 @@
         display: none;
 }
 
+.media-selection .selected.attachment,
+.media-selection .attachment:focus, 
+.media-selection .selected.attachment:focus, 
+.media-selection .attachment.details:focus {
+        -webkit-box-shadow: none;
+        box-shadow: none;
+}
+
+.media-selection .attachment .thumbnail .centered img.icon {
+        -webkit-transform: translate( -50%, -53% );
+        -ms-transform: translate(-50%,-53%);
+        transform: translate( -50%, -53% );
+}
+
 /**
  * Spinner
  */