#contents {
    text-align: center !important;
    margin: 2rem auto !important;
    max-width: 1200px !important;
}

#contents p {
    margin: 0.5rem 0 !important;
    font-size: 1rem !important;
    color: #ddd !important;
}

#contents a {
    color: #58a6ff !important;
    text-decoration: underline !important;
}

#contents a:hover {
    color: #8ecfff !important;
}

#contents iframe {
    border: none !important;
    display: block !important;
    margin: 2rem auto !important;
    width: 80vw !important;
    max-width: 1200px !important;
    height: 80vw !important;
}