body
{
height: 100%;
background-color: #000000;
text-align: center;
}


#cadre
{
overflow: hidden;
position: absolute;
left: 50%;
top: 50%;
margin-top: -250px; 
margin-left: -400px; 
background-color: #000000;
width: 800px;
height: 500px;
border: 2px solid #282828;
}


#images
{
position: absolute;
left: -1px;
overflow: hidden;
padding: 0;
margin: 0;
list-style: none;
margin-left: 0px;
width: 800px;
}


#images li a span
{
outline: none;
position: absolute;
left: -5000px;
}

li{
width: 800px;
float: left;
display: block;
}


li a
{
outline: none;
padding: 0px 0px 0px 0px;
margin: 12px 0px 0px 0px;
width: 409px;
height: 151px;
display: block;
background: #000000;
}

li a:hover
{
outline: none;
background: #CCCCCC;
}