Ticket #28280: 28280.2.patch

src/wp-includes/css/editor.css

@@ -258 +258 @@
 }
 
 .mce-toolbar .mce-colorbutton .mce-preview {
-        margin-left: -17px;
+        margin: 0;
         padding: 0;
-        width: 18px;
+        top: auto;
+        bottom: 2px;
+        left: 3px;
+        height: 3px;
+        width: 20px;
 }
 
 /* mce listbox */
@@ -570 +574 @@
 i.mce-i-underline,
 i.mce-i-alignjustify,
 i.mce-i-forecolor,
+i.mce-i-backcolor,
 i.mce-i-pastetext,
 i.mce-i-pasteword,
 i.mce-i-removeformat,
@@ -673 +678 @@
         content: '\f214';
 }
 
-i.mce-i-forecolor:before {
+i.mce-i-forecolor:before,
+i.mce-i-backcolor:before {
         content: '\f215';
 }