/* Change header background */
#header {
    background: #0f172a; /* dark navy */
    color: #f8fafc;
    padding: 12px 20px;
    font-size: 1.2rem;
}

/* Branding text */
#site-name a {
    color: #f8fafc;
    font-weight: bold;
    text-decoration: none;
}