body {
    background: #efeae0;
    max-width: 640px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.nav-links {
    display: flex;
    justify-content: space-between;
}

.left, .right {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: #555;
}