.titre{
    margin-left: 250px;
    text-decoration: underline;
}
.FORMATION{
    color: black;
    padding: 15px;
    margin-left: 15px;
    border: 1px solid gray;
}
.bouton{
    border: 2px solid gray;
    border-radius: 100%;
    color: aliceblue;
    background-color: gray;
    font-size: 50px ;
}
.san{
    background-color: blueviolet;
}