Created by: andresgalante
To help move Bootstrap units to rems this PR changes tooltip variables for maxwidth and paddings from px to rem.
what was 8px is now .5rem (= 8px with a 16px base)
what was 3px is now .2rem (= 3.2px with a 16px base)
what was 200px is now 20rem (= 192px with a 16px base)
What do you think?