.contenu {
    text-align: center;
    margin-top: 130px;
    margin-bottom: 130px;
}

h1 {
    padding: 20px;
}

a {
    text-decoration: none;
    color: white;
}

@media screen and (max-width: 1400px) {

    .contenu {
        margin-top: 50px;
        margin-bottom: 50px;
    }

}