html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    background-color: black;
    font-family: sans-serif;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 1.2em;
    font-weight: bolder;
    text-align: center;
    color: antiquewhite;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

section {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    width: 90%;
}

footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

video {
    width: 100%;
    max-height: 90%;
}

select {
    font-weight: bolder;
    background-color: black;
    color: antiquewhite;
}