/* sm */
@media screen and (max-width: 576px) {
    .main-container {
        perspective: none;
    }

    #cube {
        transform-style: flat !important;
    }

    .section {
        position: relative !important;
        transform-style: flat !important;
        height: 100vh !important;
    }

    .text-container {
        position: absolute;
    }

    .section video {
        transform-style: flat;
    }
}