.demo-banner {
    padding: 0.75rem 1rem;
    background: #0f172a;
    color: #f8fafc;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 1rem;
    font-weight: 650;
    line-height: 1.4;
    text-align: center;
    width: 100%;
}

.demo-banner a {
    color: #93c5fd;
    font-weight: 800;
    text-decoration: none;
}

.demo-banner a:hover,
.demo-banner a:focus-visible {
    text-decoration: underline;
    text-underline-offset: 0.18em;
}