/*** set the width and height to match your images **/
#slideshow {
    position: relative;
    width: 350px;
    height: 400px;
    margin: auto;
}
#slideshow div {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 8;
    opacity: 0.0;
    height: 400px;
    background-color: #E0DACC;
    margin: auto;
}
#slideshow div.active {
    z-index: 10;
    opacity: 1.0;
}
#slideshow div.last-active {
    z-index: 9;
}
#slideshow div img {
    height: 350px;
    display: block;
    border: 0;
    margin-bottom: 10px;
}