Ticket #33557: 33557.patch

wp-admin/css/edit.css

@@ -610 +610 @@
         position: absolute;
 }
 
-#poststuff h2 {
-        margin-top: 20px;
-        font-size: 1.5em;
-        margin-bottom: 15px;
-        padding: 0 0 3px;
-        clear: left;
-}
-
-#poststuff h3 {
+#poststuff h2, #poststuff h3 {
         font-size: 14px;
         padding: 8px 12px;
         margin: 0;

wp-admin/includes/template.php

@@ -1100 +1100 @@
                                                 echo '<span class="screen-reader-text">' . sprintf( __( 'Click to toggle %s panel' ), $box['title'] ) . '</span><br />';
                                                 echo '</button>';
                                         }
-                                        echo "<h3 class='hndle'><span>{$box['title']}</span></h3>\n";
+                                        echo "<h2 class='hndle'><span>{$box['title']}</span></h2>\n";
                                         echo '<div class="inside">' . "\n";
                                         call_user_func($box['callback'], $object, $box);
                                         echo "</div>\n";