body {
    font-family: sans-serif;
    margin: 0;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin: 0 1rem;
}

nav a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 2rem;
}

footer {
    background: #f4f4f4;
    padding: 1rem;
    text-align: center;
}

[dir="rtl"] nav ul {
    margin-right: auto;
}

[dir="rtl"] nav ul li {
    margin: 0 0 0 1rem;
}

[dir="rtl"] .lang-switcher {
    order: -1;
}