What happens next?

How to mix vintage style into a modern home
Use vintage sheets to cover your sofa.
If you have a modern sofa, covering it can keep it clean and damage-free over the years. A great way to blend vintage and modern styles while preserving your furniture is using vintage sheets as a cover.
Toss a set of vintage sheets over your couch to blend some vintage style in your otherwise modern home. Keep in mind vintage sheets may be expensive.