.fondo {
    display: block;
    z-index: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    position: absolute;
    background: url(../Imagenes/image002-Recuperado.png);
    background-repeat: no-repeat;
    background-position: center center;
    min-width: unset;
    overflow: hidden;
}