html, body {
  background-color:#050505;
  height: 700px;
  width : auto;
  overflow:visible;
   }

#maincontainerloding {  position:relative;
  top:15px;
  left:50%;
  margin-left: -512px;
  width: 1024px;
  height:716px;
  background-image: url('images/back.jpg');
  background-repeat:no-repeat;
  overflow: visible;
}

#nav {position:relative;
      width:213px;
      height:119px;
      top:263px;
      left:120px;
      }

a img {border: none; 
       }