Promo for venue or organizer: minimalist email with dates, capacity, and prices. One photo at the top, then text only.
Buen Fin: Product Grid (Online Store)
Buen Fin: dark email (fashion)
Buen Fin: timer on the first screen (retail)
Buen Fin: text over background (universal)
Black Friday: asymmetry (food and delivery)
Black Friday: dark email (retail)