#banner {
    margin-top: 50px;
    position: relative;
}

#banner img {
    width: 100%;
    height: 100%;
}

#banner .contenedor {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    color: #fff;
}

# h2 {
    font font-size: 28px;
}