#newsletter{
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    background: #000;
}
#newsletter .overlay-image {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: auto;
    z-index: 1;
}
#newsletter .contenido-news{
    position: relative;
    z-index: 3;
}