<style>
    a {
        font-size: 1rem;
        text-align: center;
    }

    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;
    }

    ul li a {
        text-decoration: none;
        transition: color 0.1s linear;
        padding: 4px 12px;
    }

    ul li a:hover {
        border-bottom: 2px solid var(--line-color);
    }
</style>

<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>
