#slideshow { 
    margin: 0px; 
    position: relative; 
    width: 1172px; 
    height: 340px; 
    padding: 0px; 
}

#slideshow > div { 
    position: absolute; 
    top: 0px; 
    left: 0px; 
    right: 0px; 
    bottom: 0px; 
}