header {
    margin: 0;
    padding: 0 1em;
    background: white;
    box-shadow: 0 2px 8px rgba(var(--black), 5%);
}
h2 {
    margin: 0;
    font-size: 1em;
}

h2 a,
h2 a.active {
    text-decoration: none;
}
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
nav a {
    padding: 1em 0.5em;
    color: var(--black);
    border-bottom: 4px solid transparent;
    text-decoration: none;
}
nav a.active {
    text-decoration: none;
    border-bottom-color: var(--accent);
}
.social-links,
.social-links a {
    display: flex;
}
@media (max-width: 720px) {
    .social-links {
        display: none;
    }
}