#subject {
    background: #F5F5F5;
}

#content {
    width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    /*overflow: auto;*/
    /*min-height: calc(100vh - 13.7rem);*/
    min-height: calc(100vh - 6.2rem);
    overflow: hidden;
}

#content .target{
    position: relative;
    z-index: 0;
    top:0;
    left: 0;
    width: 380px;
    height: 280px;
    float: left;
    cursor: pointer;
    background: #FFFFFF;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.07);
    border-radius: 8px;
    margin-right: 30px;
    margin-bottom: 30px;
    overflow: hidden;
    transition-property:top,left;
    transition-duration: 0.6s;
}
#content .target:hover{
    box-shadow: 0 8px 20px 0 rgba(0,0,0,0.18);
}
.dragel{
    display: none;
    position: absolute;
    box-sizing: content-box;
    width: 380px;
    height: 280px;
    border-radius: 8px;
    pointer-events: none;
    background: #FFFFFF;
    box-shadow: 0 4px 0 0 #F5F5F5;
    border: 2px dashed rgba(0,0,0,0.25);
    z-index: 1;
}
#content .target:nth-child(3n){
    margin-right: 0;
}
.target .mask{
    pointer-events: none;
    display: none;
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.16);
}

#content div img {
    width: 100%;
    height: 217px;
    pointer-events: none;
}

#content div span {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 22px;
    color: #000000;
    margin-top: 14px;
    pointer-events: none;
}
.drag-box{
    position: fixed!important;
    opacity: 0.9;
    z-index: 2!important;
}
.uid,.usertoken,#jumpa{
    display: none;
}
.pagemask{
    display: none;
    position: fixed;
    top:0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0);
}