.texte {
    text-align: start;
    width: 50%;
    padding: 30px;
    border-radius: 25px;
    font-size: 17px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 60px;
    background-color: rgb(224, 224, 224);
}
#retour {
    position: fixed;
    top: 55px;
    left: 5px;
    background-color: rgb(150, 150, 150);
    color: white;
}

#retour:hover {
    background-color: rgb(97, 97, 97);
    color: rgb(216, 216, 216);
}