.hero {
    background-image: url('images/plastico-para-piscicultura.webp');
}

@media (max-width: 1280px) {
    .hero {
        background-image: url('images/plastico-para-piscicultura-medium.webp');
    }

}

@media (max-width: 640px) {
    .hero {
        background-image: url('images/plastico-para-piscicultura-min.webp');
    }

}