body { background-color: #cccccc; } .contenedor { background-image: radial-gradient(circle at 50% 50%, #ebecf1, #abaec3); @media (min-width: 768px) { min-height: 600px; min-width: 800px; } } .grilla-articulo { background-color: rgba(0, 0, 0, 0.8); @media (min-width: 768px) { height: 430px; } }