wp-admin/css/theme-editor-rtl.css

   1 #templateside {
   2         float:left;
   3 }
   4 #themeselector {
   5         padding-right:0;
   6         padding-left:5px;
   7 }
   8 div.tablenav {
   9         margin-left:210px;
  10         margin-right:0;
  11 }