html{
    font-size: 62.5%;
}

body{
    font-size: 1.6rem;
}

header{
    border: solid .1rem #000;
}

h1, h2{
    margin-bottom: 2rem;
    margin-top: 2rem;
    padding-left: 0;
}

video{
    width: 100%;
}

.entete{
    font-weight: bold;
    font-style: italic;
}