@media (max-width: 480px) {
    body {
        background: unset;
    }

    .login-form {
        box-shadow: unset;
    }

    .copy-right {
        margin-top: 30px;
    }

    /*index*/
    .nav-top {
        margin-top: 10px;
    }

        .nav-top > span {
            float: left;
            height: unset;
            line-height: unset;
            font-size: 13px;
            margin-left: 10px;
        }

    .mtell {
        margin-top: 0px;
    }

    .nav-top > .nav-topright {
        float: left;
    }

        .nav-top > .nav-topright > p {
            float: left;
            height: unset;
            line-height: unset;
            padding: 0;
            margin: 0;
            margin-right: 0px;
            font-size: 13px;
            margin-left: 10px;
        }

        .nav-top > .nav-topright > span {
            float: left;
            height: unset;
            line-height: unset;
            margin-right: 0px;
            font-size: 13px;
            margin-left: 10px;
        }

  
}