@-moz-document domain("schuelervz.net"), domain("studivz.net"), domain("meinvz.net") {

         #Grid-Page-Left, #Grid-Navigation-Main, #Quicksearch, #LeftsideBox
          {
           position:fixed !important;
          }

         #Grid-Page-Left img
          {
           display: none;
          }
 
         #Quicksearch
          {
           top:50px;
          }

         #Grid-Navigation-Main
          {
            top:70px;
          }
        

         #LeftsideBox
          {
           top: 270px;
           width: 140px !important;
          }
}