@media screen and (max-width:500px) {

    .publicHeader .fheader .middle_nav li.videoPage {
        float: left;
        background: url(../images/broadcastlive_14.png) 1.3rem 0.24rem no-repeat;
        padding-right: 0.3rem;
    }

        .publicHeader .fheader .middle_nav li.videoPage:hover {
            background: url(../Images/broadcastlive_blue_03.png) 1.3rem 0.24rem no-repeat;
        }
    .publicHeader .fheader .middle_nav li.thematicPage11 {
        float: left;
        height: 34px;
        text-align: center;
        font: bold 14px/34px "Helvetica Neue", Helvetica, Arial, sans-serif;
        margin-left: 0rem;
        background: url(../images/broadcastlive_14.png) 0.6rem 0.2rem no-repeat;
        padding-right: 20px;
        margin-left: 0rem;
    }
    .publicHeader .fheader .middle_nav li .videoSecond_nav {
        background: #fff;
        width: 108%;
        position: absolute;
        z-index: 1000;
        left: 0;
        top: 83px;
    }
}