@media screen and (max-width: 768px) {
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
    }

    .menu.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .menu li {
        margin: 0;
    }

    .navbar a {
        padding: 10px;
        text-align: left;
    }
}