#ust_bar{position:absolute; top:0; left:0; width:100%; height:36px; background-color: #FFD75F;border: 1px solid #000000;z-index:999}

 @media screen{
  body>#ust_bar{position: fixed;}
 } 
 * html body{overflow:hidden;} 
 * html #ana_icerik{height:100%;overflow:auto;}