.para {
    padding: 0.2em;
    font-size: 2em;
    text-align: center;
}

#boutonA {
    font-size: 3em;
    color: red;
    border: none;
    padding: 0.5em;
    background-color: #D9D9D9;
    margin-top: 2em;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 0.5em;
    text-decoration: none;
}

#boutonA:hover {
    background-color: #A9A9A9;
    transform: scale(1.1);
}