Use percentage for size variables

[Matty_Vazquez]

Yes, this is needed! Also seems to tie in with these threads about % as well:

Use percentages for heights, widths, margins, gutters in auto layout

This makes it easier to use components in designs for different screen sizes. And then you don’t have to calculate every time what 40% or 60% of the width is. This also makes it easier to design scalable applications that grow with the width of the screen.

Allow percentages for line height

Firstly great job Figma Font variables are here!!! [Figma tutorial: Variables for typography] The only thing missing is the use of percentages in the line-height property. You can not use a percentage in the line-height as it only accepts variables that are a number type. Although the variables for line-height caters for pixel (absolute) line-heights (10,12,14)- it does not accommodate relative line heights. In other words you can’t use percentage variables for line heights that …