body {
    background: linear-gradient(0deg, hsl(0, 0%, 70%),hsl(0, 0%, 90%));
}

.contenedor {
    @media (min-width: 768px) {
        min-height: 600px;
        min-width: 800px;
    }
}

.grilla-articulo {
    @media (min-width: 768px) {
        height: 300px;
    }
}