.custom_alert_mask{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    z-index: 999999;
}

.custom_alert{
    min-width: 300px;
    position: fixed;
    left: 44%;
    top: 26%;
    background: #fff;
    border-radius: 4px;
    z-index: 1;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.05);
}
.custom_alert .alert_header{
    position: relative;
    text-align: center;
    font-size: 15px;
    line-height: 40px;
    background: #e6e6e6;
    padding-right: 10px;
}
.custom_alert .alert_close{
    position: absolute;
    right: 8px;
    top: 10px;
    width: 22px;
    height: 21px;
    vertical-align: middle;
    cursor: pointer;
}
.custom_alert .alert_content{
    font-size: 14px;
    color: #666;
    padding: 20px;
}
.custom_alert .alert_text{
    /* text-align: center; */
    margin-bottom: 10px;
    margin-left: 25px;
}
.custom_alert .alert_btn{
    text-align: center;
    margin: 10px 0 20px;
}
.alert_btn_div{
    display: inline-block;
    clear: both;
    overflow: hidden;
}
.custom_alert .alert_btn_li{
    float: left;
    width: 60px;
    font-size: 14px;
    text-align: center;
    line-height: 24px;
    color: #409EFF;
    cursor: pointer;
    border: 1px solid #409EFF;
    /* padding: 0 10px; */
    border-radius: 4px;
    margin-right: 12px;
}
.custom_alert .alert_btn_active{
    color: #fff;
    background: #409EFF;
}