.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: #0066ff;
}

.supp_dao div:hover {
    color: white;
}

.supp_xuan {
    background-color: #0066ff;
}

.supp_dao .supp_xuan {
    color: white;
}

.diff {
    margin: 0 0 10px 0
}


@media (max-width: 800px) {
    .diff {
        margin: 0 10px 10px 10px
    }

    .aa {
        display: block;
    }

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

        margin: 0 10px;


    }

    .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;
    }


    .supp_dao div {
        float: none;
        display: inline-block;

    }



}