@media only screen and (min-width: 767px) {
    .mobile-only {
        display: none!important;
    }
}

@media only screen and (max-width: 768px) {
    .desktop-only {
        display: none!important;
    }

    #landing {
        overflow-y: clip;
    }

    header {
        width: 100vw;
    }

    header a {
        width: 100%;
    }

    #toggle-menu {
        width: 3rem;
        height: 3rem;
        text-align: center;
        border-radius: 1.5rem;
        box-shadow: #000 0 0 1rem 0;
        padding-top: 0.625rem;
        font-size: 2rem;
        opacity: 0.75;
        margin: 0 auto;
    }
}