@media (max-width: 767px) {
    .navbar-collapse {
        width: 100%;
    }

        .navbar-collapse.collapsing {
            right: -100%;
        }

    .navbar-toggler {
        background-color: transparent !important;
    }

    .shop_start .card-deck .card {
        min-width: 95%;
        max-width: 95%;
    }
}