#categoria-1 { background-image:url(../imagenes/categorias/margarinas.jpg); }
#categoria-2 { background-image:url(../imagenes/categorias/grasas.jpg); }
#categoria-3 { background-image:url(../imagenes/categorias/dulce-de-leche.jpg); }
#receta-1 { background-image:url(../imagenes/recetas/panecillos-de-salvado-1.jpg); }
#receta-2 { background-image:url(../imagenes/recetas/rosca-vienesa-reyes-1.jpg); }
#receta-3 { background-image:url(../imagenes/recetas/factura-de-grasa-1.jpg); }
#receta-4 { background-image:url(../imagenes/recetas/pan-dulce-1.jpg); }
#receta-5 { background-image:url(../imagenes/recetas/pepitas-1.jpg); }
#receta-6 { background-image:url(../imagenes/recetas/tortitas-negras-1.jpg); }
#receta-7 { background-image:url(../imagenes/recetas/cuernitos-bizcochitos-1.jpg); }
#receta-8 { background-image:url(../imagenes/recetas/mil-hojas-1.jpg); }
#receta-9 { background-image:url(../imagenes/recetas/torta-de-ricota-1.jpg); }
#receta-10 { background-image:url(../imagenes/recetas/budines-1.jpg); }
#receta-11 { background-image:url(../imagenes/recetas/cremona-hojaldrada-1.jpg); }
#receta-12 { background-image:url(../imagenes/recetas/berlinesas-donas-1.jpg); }
#receta-13 { background-image:url(../imagenes/recetas/ensaimada-1.jpg); }
#receta-14 { background-image:url(../imagenes/recetas/factura-de-manteca-1.jpg); }