body {
    justify-content: space-around;
}
/* Texte explicatif */
.bgContainer {
    margin: auto;
}
p {
    width: 80%;
    max-width: 600px;
    text-align: center;
}
/* Video */
.videoContainer {
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.videoContainer video {
    width: 250px;
    height: 500px;
}
@media screen and (min-width: 800px) {
    p {
        font-size: 1.3rem;
    }
}