11+ 90S Interior Design Trends. Children of the '90s will remember these home trends. As an amazon associate we earn from qualifying purchases. We're about to hit you with a whole lotta nostalgia! Jaime wiebe is a freelance writer and interior design aficionado. The decade gave us the backstreet boys, spice girls, 'nsync, and pogs. 7 interior design trends everyone will be trying in 2021, according to experts. 90's interior design was all about minimalistic, colorful furniture, with very simple yet ''futuristic'' designs. One of the hardest things to do in the world of interior design and decorating is to keep up with the constantly changing trends. As an amazon associate we earn from qualifying purchases.As millennials get older, they're reliving fond memories and bonding over shared experiences.