Do layouts always have to be square, or can they also be vertical or horizontal if they do not exceed 800px?

Hello! My name is Josie. I am a retiree and live in Germany in a small town near Nuremberg which is one of the oldest cities in the country. I have an adult foster daughter. Scrapbooking is my hobby for about 10 years and love to create layouts and mini kits. Besides scrapbooking I love music...