In web design, at least, there are plenty of relative-size units available to create a scalable, responsive design. Em, rem, %, vw, and vh are all very useful f

In web design, at least, there are plenty of relative-size units available to create a scalable, responsive design. Em, rem, %, vw, and vh are all very useful for this. In my designs I almost exclusively use these units, with little to no issues.