bg-v { position: relative; left: 0px; width: 100%; height: 1080px; overflow: hidden; min-width: 1200px; }
.musicbox {
    width: 47px;
    height: 47px;
    position: fixed;
    z-index: 500;
    top: 18px;
    left: 50%;
    cursor: pointer;
    margin-left: 588px;
    }

.musicplay{background:url("../images/musicplay.png")/*tpa=https://www.77boss.com/images/musicplay.png*/ no-repeat;}
.musicstop{background:url("../images/musicstop.png")/*tpa=https://www.77boss.com/images/musicstop.png*/ no-repeat;}