#skyline {
    width: 762px; 
    height: 170px;
    background: url(../images/icons.jpg);
    margin: 10px auto; padding: 0;
    position: relative;}
  
  #skyline li {
    margin: 0; padding: 0; list-style: none;
    position: absolute; top: 0;}
  
  #skyline li, #skyline a {
    height: 170px; display: block;}
    
    
  #panel1b {left: 0; width: 224px;}
  #panel2b {left: 261px; width: 224px;}
  #panel3b {left: 522px; width: 224px;}
  
  
  #panel1b a:hover {background: transparent url(../images/iconsover.jpg) 0 -170px no-repeat;}
  #panel2b a:hover {background: transparent url(../images/iconsover.jpg) -261px -170px no-repeat;}
  #panel3b a:hover {background: transparent url(../images/iconsover.jpg) -522px -170px no-repeat;}