@media (max-width: 480px) {
    .hide-low {
        display: none !important;
    }
    .show-low {
        display: block !important;
    }
    section .active,
    li .active {
        background-color: rgba(100, 100, 100, 0.1) !important;
    }
    .btn-header,
    .btn-close {
        color: white !important;
        background-color: blue !important;
    }
}