.body {
   font-family: times ;
}






.about {
    margin-left: 40px;
    text-align: center;
}

.bouton {
    display: table; /* keep the background color wrapped tight */
    margin: 0px auto 0px auto; /* keep the table centered */
    padding:5px;font-size:20px;background-color:#E2E2E2;color:#ffffff;
    color: gray;
    border: solid 1px grey;
}

.bouton:hover {
    color:red;
    font-size: 129%;
}

.tot {
    margin-bottom: 1em;
}

audio {
    opacity: 0;
}

.footer {
    text-align: center;
    font-family: arial; 
    color: grey;
    margin-top: 5em;
    padding-bottom: 10em;
    opacity: 40%;
    font-size: 14px; 
}