#ul{
    width: 700px;
    height: 286px;
    border: 1px solid #000;
    padding: 0;
    float: left;
    list-style: none;
}
#ul li{
    width: 128px;
    height: 128px;
    float: left;
    margin: 5px;
    border: 1px solid #cccccc;
    filter: alpha(opacity=30);opacity: .3 ;
}