Add :root CSS vars
Add :root CSS vars

Signed-off-by: Sara Bee <135b746314d6d3856a946b02fc025a1e267629b2@users.noreply.github.com>

vitessio/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,vitessio/vitess,tinyspeck/vitess,vitessio/vitess,tinyspeck/vitess,tinyspeck/vitess,vitessio/vitess,mahak/vitess,mahak/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,mahak/vitess,vitessio/vitess