@media (max-width: 768px) {
    .navigation {
        position: fixed;
        top: 48px;
        left: 0;
        height: calc(100vh - 48px);
        width: 50px;
        overflow-x: hidden;
        z-index: 1000;
        transition: width 0.3s;
    }
    .navigation.open {
        width: 230px;
    }
    .content {
        left: 50px;
        width: calc(100vw - 50px);
        left: -230px;
        height: calc(100vh - 48px);
        width: 230px;
        z-index: 1000;
        transition: left 0.3s;
    }
    .navigation.open {
        left: 0;
    }
    .content {
        left: 0;
        width: 100vw;
    }
    .navigation.open + .content {
        left: 230px;
        width: calc(100vw - 230px);
    }
    .mobile-menu-button {
        background: none;
        border: none;
        color: white;
        font-size: 20px;
        margin-right: 10px;
    }
    .navigation:not(.open) .nav-text,
    .navigation:not(.open) .cat-header {
        display: none;
    }
}