@media (max-width: 478px) {
    .col-xs-3 {
        flex:0 0 auto;width:24.999999%
    }

    /* ---------------------------- Navbar ---------------------------- */
    header .nav-item.dropdown.dropdown-mega .dropdown-menu {
        width: 100%;
        top: auto;
    }

    /* ---------------------------- Carousel ---------------------------- */
    main .carousel-item img {
        height: 200px;
    }


    /* ---------------------------- QC-Menu ---------------------------- */
    .row-cols-xs-2>*{
        flex:0 0 auto;width:49.999999%
    }

    main .qc-menu .box {
        height: 145px;
        width: 145px;
    }

    main .qc-menu .box:hover {
        color: rgb(255, 255, 255);
    }

    main .qc-menu span {
        font-size: 85px;
    }

    main .qc-menu p {
        font-size:11px;
        margin-top:-20px;
        margin-bottom:2px;
    }

    main .service-text {
        width: 250px;
    }

    .image-container {
        opacity: 1;
        display: block;
        width: 60%;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
        transition: .5s ease;
        backface-visibility: hidden;
    }

    main .note-video-clip {
        height: 200px;
        width: 350px;
    }

    /* ---------------------------- Footer ---------------------------- */
    footer {
        width: 100%;
        text-align: center;
        margin-bottom: 40px;
    }

    footer table {
        width: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    footer .copyright {
        text-align: center;
        width: 100%;
    }

    footer .social {
        width: 100%;
        justify-content: center!important;
    }

    .vote {
        top:30% !important;
        left:40% !important;
    }
}