<header>
    <nav>
        <ul>
            <li>
                <a href="/">Quartznet</a>
            </li>
            <li>
                <a href="/about">About</a>
            </li>
        </ul>
        <ul>
            <li>
                <a href="/admin">Admin</a>
            </li>
        </ul>
    </nav>
</header>

<style>
    nav {
        display: flex;
        justify-content: space-between;
        max-width: 1400px;
        margin: 0 auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    ul {
        display: flex;
        font-weight: bold;
        text-align: center;
        list-style: none;
        margin-top: 8px;
        margin-bottom: 8px;
        padding: 0;
        gap: 20px;
    }

    a {
        margin: 0;
        border-bottom: 2px solid transparent;
        color: var(--link-color);
        text-decoration: none;
        text-align: center;
    }

    a:hover {
        border-bottom: 2px solid var(--link-color);
        text-decoration: none;
    }
</style>
