table {
    width: 100%;
    margin: auto;
    text-align: center;
    justify-content: center;
    margin-bottom: 4em;
}

td {
    width: 20%;
    height: 6em;
    /* rem = ok */ font-size: 0.7rem;
    border-radius: 1.5em;
}

#bordnoir {
    margin: 1em;
}

.red {
    width: 49%;
    height: 4em;
    /* rem = ok */ font-size: 0.9rem;
}

.blue {
    width: 33%;
    height: 4em;
    /* rem = ok */ font-size: 0.9rem;
}

.gris {
    height: 5em;
    /* rem = ok */ font-size: 0.8rem;
}

#vide {
    width: 1%;
}