* {
    text-align: center;
}

iframe {
    margin-top: 50px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: 90vw;
    aspect-ratio: 1220/710;
    border: 0;
}

section {
    background-color: rgba(255,255,255,0.3);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.2rem;
    margin-top: 40px;
    text-align: left;
    display: block;
    width: 80vw;
    padding: 50px;
}

@media (max-width: 700px) {
    iframe {
        width: 100%;
    }
}