ul.thumbs {
    clear:  both;
    padding-left:   0px;
    width:  900px;
    margin: 0 auto;
}
ul.thumbs li {
    display:    inline-block;
    padding:    0;
    margin: 5px 10px 5px 0;
    list-style: none;
}
img.display {
    border: 1px solid black;
    padding:    20px;
    width:  230px;
    height: 230px;
}