/* 中间内容区域 */
#mian_photo {
    width: 1015px;
    margin: 0 auto;
    font-size: 0px;
}

#mian_photo>div {
    margin-left: 5px;
    float: right;
}

#mian_photo>div:first-child {
    margin-left: 0px;
    float: none;
}

#photo_imgs {
    display: inline-block;
    width: 250px;
    height: 200px;
}

#photo_imgs img {
    width: 250px;
    border-radius: 4px;
    margin-top: 5px;
}