.detailthumb-1 {
    margin: 0 10px 10px 0;
    width: 580px;
    float: left;
    height: 300px;
}
.detailthumb-2 {
    margin: 0 0 10px 0;
    width: 350px;
    float: left;
    height: 300px;
}
.detailthumb-3 {
    margin: 0 10px 10px 0;
    width: 350px;
    float: left;
    height: 300px;
}
.detailthumb-4 {
    margin: 0 0 10px 0;
    width: 580px;
    float: left;
    height: 300px;
}
.subpage-link {
    background-color: transparent;
    color: #FFFFFF;
    display: block;
    height: 300px;
    overflow: hidden;
    position: relative;
    text-decoration: none;
}