video {
    width: 100%;
}

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

main .bouton {
    margin: 4rem 0rem 1rem 0rem;
    width: auto;
    margin-top: 3rem;
}

main .bouton:focus {
    border: solid 3px rgb(125, 125, 125);
}