#toplevel_page_dzsajx_menu .wp-menu-image{
  background: transparent url(img/icon.png) center center no-repeat;
}#toplevel_page_dzsajx_menu:hover .wp-menu-image{
   background: transparent url(img/icon-hover.png) center center no-repeat;
 }
#toplevel_page_dzsajx_menu.wp-menu-open .wp-menu-image{
  background: transparent url(img/icon-hover.png) center center no-repeat;
}