Ticket #29897: 29897.patch

src/wp-admin/css/themes.css

@@ -300 +300 @@
         border: none;
         -webkit-box-shadow: none;
         box-shadow: none;
-}
-
-.theme-browser .theme.add-new-theme a {
         color: #999;
-        text-decoration: none;
         display: block;
-        position: relative;
-        z-index: 1;
+        text-decoration: none;
 }
 
 .theme-browser .theme.add-new-theme:after {

src/wp-admin/js/theme.js

@@ -962 +962 @@
 
                 // 'Add new theme' element shown at the end of the grid
                 if ( themes.data.settings.canInstall ) {
-                        this.$el.append( '<div class="theme add-new-theme"><a href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span></span></div><h3 class="theme-name">' + l10n.addNew + '</h3></a></div>' );
+                        this.$el.append( '<a class="theme add-new-theme" href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span></span></div><h3 class="theme-name">' + l10n.addNew + '</h3></div>' );
                 }
 
                 this.parent.page++;