@media screen and (max-width: 767px) {
    #safetyInner .line_qr {
        text-align: center;
    }
    #safetyInner .line_qr img {
        width: auto;
        max-width: 100%;
    }
    .srtmovie {
        width: 50%;
        margin: 0 auto;
    }
}