.supp_dao {
    height: 42px;
    background: #fff;
}

.supp_dao div {
    float: left;
    height: 42px;
    padding: 14px 16px;
    line-height: 14px;
}

.supp_dao a {
    font-size: 14px;
    letter-spacing: 1px;
    color: black;

}

.supp_dao div:hover {
    background-color: #ff6000;
}

.supp_dao div:hover {
    color: white;
}

.supp_xuan {
    background-color: #ff6000;
}

.supp_dao .supp_xuan {
    color: white;
}





@media (max-width: 800px) {
    .aa{
        display: block;
    }

    .supp_dao {
        padding-top: 0;
        width: auto;
        overflow: scroll;
        /*overflow-x: scroll;*/

        /*margin: 0 10px;*/


    }
    .supp_dao  a{
        display: inline-block;
    }
    .supp_dao div {
        font-size: 14px;

    }
    .Screening_tips{
        display: none;
    }



    .aa {
        width: 100%;

        height: 40px;
        overflow: scroll;
        background-color: white;
    }

    .aa::-webkit-scrollbar {
        display: none;
    }

    .mobile_nav_a{
        float: left;
        width: 100px;
        height: 40px;
        line-height: 40px;
        font-size: 12px;
        color: #212529;
        padding: 0 0;
        text-align: center;
        text-decoration: none;
    }
    .mobile_nav_a:hover{
        background-color: #ff6000;
        color: white;
        text-decoration: none;
    }



}