video {
    display: block;
    max-width: 90vw;
    max-height: 90vh;
    margin: 0 auto;
}

a {
    display: block;
    width: fit-content;
    margin: 20px auto;
    font-family: sans-serif;
    background-color: green;
    color: white;
    text-decoration: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}

a:hover {
    background-color: hsl(120, 100%, 20%);
}

a:active {
    background-color: hsl(120, 100%, 10%);
}