@charset "UTF-8";
html,body{
    height: 100%;
}
.right_box {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    top: 80px;right: 0;left: 0;bottom: 0;overflow-y:auto 
}
.set_top0{
    top: 0px;
}
.bg_box {
    min-height: 0;
    height: 100%;
}
.main_box {
    height: 100%;
    -webkit-user-select:none;
    -moz-user-select:none;
    -o-user-select:none;
    user-select:none;
}
.mk_num_box {
    text-align: center;
}
.mk_answer_num {
    display: inline-block;
    width: 42px;
    height: 42px;
    background: #f6f6f6;
    font-size: 14px;
    color: #666 !important;
    line-height: 42px;
    text-align: center;
    border: 3px solid #ccc;
    border-radius: 50%;
    margin: 20px 5px 0;
}
.mk_mark_active {
    border-color: #40ad19;
    background: #eee;
}
.mk_active {
    background: #eee;
    border-color: #eee;
    color: #999 !important;
}
.mk_ing_active {
    color: #f51e55 !important;
    border-color: #f51e55
}
.mk_back_brn{
    height: 30px;
    line-height: 30px;
    display: inline-block;
    font-size: 14px;
    background: #fff;
    border-radius: 3px;
    border: 1px solid #f51e55;
    color: #f51e55 !important;
    padding: 0 10px;
    margin-top: 15px;
    float: right;
    margin-right: 20px;
}
@media screen and (min-width:768px){
    .right_box{
        top: 0;
    }
}