.clear {*zoom:1  }
.clear:after {content:'';  display:block;height:0;clear:both  }
.faceRecognitionCoursePop{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
    display: none;
}
.faceRecognitionCourse_tk{
    width: 550px;
    /*width: 800px;*/
    background-color: #fff;
    border-radius: 10px;
    position: absolute;
    padding: 20px;
    left: 50%;
    /*left: 40%;*/
    margin-left: -255px;
    /*top: 40%;*/
    top: 20%;
    /*top: 5%;*/
}

/*蒙层弹框*/
/*.perfect_tag{*/
/*    overflow-y: scroll;*/
/*}*/

.btnDiv {
    padding: 20px 0 30px;
    text-align: center;
}
.btnDiv button {
    display: inline-block;
    padding: 5px 15px;
    font-size: 14px;
    color: #999;
    border: 1px solid #e0e0e0;
    margin: 0 8px;
    border-radius: 4px;
    -webkit-transition: all .3s;
    transition: all .3s;
}
.btnDiv button:hover {
    background-color: #f5f5f5;
}