Step 9: Verify consistency

When the first page is done, it's time to reproduce your design language across all other pages — consistently. The style guide is your single source of truth. On the one hand, it makes the system more familiar and easy to learn for users. On the other hand, it helps you and other designers stick to the right colors, fonts, sizes, and other properties to maintain a consistent look.^[1] After all, consistency is key, and it ensures predictability and a cohesive user experience.