#mobile
    {
    background-image: url(../image/mobile/mobile_.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    width: 100%;
    height: 600px;
    margin-top: 30px;
    margin-bottom: 75px;
    -webkit-filter: drop-shadow(1px 1px 10px rgba(0, 0, 0, .75));
    filter: drop-shadow(1px 1px 5px rgba(0, 0, 0, .75));
    }