#slideshow { 
    margin: 2px; 
    position: relative; 
    width: 240px; 
    height: 240px; 
    padding: 10px; 
     
}

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