.drop-box {
    background: #F8F8F8;
    border: 5px dashed #DDD;
    height: 180px;
    text-align: center;
    padding-top: 25px;
    margin: 10px;
}

.drop-box-add {
    background: #b6ff00;
}

.dragover {
    border: 5px dashed blue;
}