/************************* ID's *************************/ 

#banner
{ 
position: relative; 
margin: auto;
padding: 15px 0px 5px 0px; /*trbl*/ 
}


/************************ Classes ***********************/ 

.slideshow
{
position:relative;
display: block;
margin-left: auto;
margin-right: auto;
width: 640px;
height: 240px;
}