body {
    background-color: #cccccc;
}

.contenedor {
    background-image: radial-gradient(circle at 50% 50%, #ebecf1, #abaec3);
    min-height: 600px;
    min-width: 800px;
}

.grilla-articulo {
    background-color: rgba(0, 0, 0, 0.8);
    height: 430px;
}