#slider { 
   width:640px;
   height:640px;
   position:relative;
   overflow:hidden;
}
#sliderContent {
   width:640px;
   height:640px;
   position:absolute;
   top:50%;
   left:50%;
   margin-left: -320px;
   margin-top: -320px;
}
.sliderImage {
   position:relative;
   display:none;
   list-style:none;
}
.sliderImage span {
   position:absolute;
   padding:4px;
   background-color:#fff;
   filter:alpha(opacity=80);
   -moz-opacity:0.8;
   -khtml-opacity:0.8;
   opacity:0.8;
   color:#5f6527;
   display:none;
   text-align:left;
   height:60px;
}
.clear { clear:both; }
.top { top:0; left:0; }