div#button4 {
      width: 30px;
      }


   div#splitup_buttons a:hover img#descriptor1 {
      left: 115px;
      }
   div#splitup_buttons a:hover img#descriptor2 {
      left: 80px;
      }
   div#splitup_buttons a:hover img#descriptor3 {
      left: 45px;
      }
   div#splitup_buttons a:hover img#descriptor4 {
      left: 10px;
      }