* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
}

main {
    width: 100vw;
    height: 100vh;
    display: block;
}

.rickroll {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}