.hero.is-info         {
    background: linear-gradient(
        rgba(0, 0, 0, 0.7) 2vh,
        rgba(0, 0, 0, 0.0),
        rgba(0, 0, 0, 0.0)
        ), url('../images/fond-accueil.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}