Daylight is often the best. Put your message and the date of the birthday in the notes section of the uploader. Make sure the card is landscape (wide) rather than portrait (tall) as this is ...
Happy birthday, my love. I promise I won't remind you how old you're getting (until the next time that you get on my nerves). Party like you're 21 today, babe. Even if we both know you're far from it.