fix gb2 styles
fix gb2 styles

fixes CNVS-10681

Test plan:
  The appearance of gb2 should match your fond recollections.

Change-Id: I0493afe66dacff4e697d9f8f08f439bf6b031cf3
Reviewed-on: https://gerrit.instructure.com/28980
Reviewed-by: Matthew Irish <01acd3247a4780711d0930f64c5667e7367603a2@instructure.com>
Reviewed-by: Zach Pendleton <514dbb4d54d4f29e454990df7d075678f43f92aa@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
Product-Review: Cameron Matheson <1d572acbfa68c7c6e541c7b840d6b622e5c0dc91@instructure.com>

whalejasmine/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,fronteerio/canvas-lms,sdeleon28/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,Unow/canvas-lms,va7map/canvas-lms,SwinburneOnline/canvas-lms,leftplusrightllc/canvas-lms,greyhwndz/canvas-lms,jay3126/canvas-lms,arrivu/arrivu-lms,djbender/canvas-lms,Jyaasa/canvas-lms,kyroskoh/canvas-lms,eCNAP/CANVAS,whalejasmine/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,narigone/canvas,usmschuck/canvas,usmschuck/canvas,va7map/canvas-lms,arrivu/arrivu-lms,Unow/canvas-lms,whalejasmine/canvas-lms,utkarshx/canvas-lms,AndranikMarkosyan/lms,wrdsb/canvas-lms,kyroskoh/canvas-lms,usmschuck/canvas,efrj/canvas-lms,antoniuslin/canvas-lms,wye0220/shindig-canvas,juoni/canvas-lms,tgroshon/canvas-lms,tgroshon/canvas-lms,utkarshx/canvas-lms,antoniuslin/canvas-lms,samuels410/greatlakes-lms,snehakachroo1/LSI_replica,skmezanul/canvas-lms,Unow/canvas-lms,narigone/canvas,tgroshon/canvas-lms,tgroshon/canvas-lms,redconfetti/canvas-lms,eCNAP/CANVAS,efrj/canvas-lms,instructure/canvas-lms,eCNAP/CANVAS,AndranikMarkosyan/lms,skmezanul/canvas-lms,ShreniiNepal/shrenii_lmp,skmezanul/canvas-lms,Rvor/canvas-lms,sdeleon28/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,HotChalk/canvas-lms,redconfetti/canvas-lms,leftplusrightllc/canvas-lms,instructure/canvas-lms,Jyaasa/canvas-lms,sdeleon28/canvas-lms,usmschuck/canvas,efrj/canvas-lms,SwinburneOnline/canvas-lms,djbender/canvas-lms,sdeleon28/canvas-lms,wye0220/shindig-canvas,dgynn/canvas-lms,ShreniiNepal/shrenii_lmp,roxolan/canvas-lms,efrj/canvas-lms,roxolan/canvas-lms,arrivu/arrivu-lms,sfu/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,gbleydon/canvas-lms,snehakachroo1/LSI_replica,sfu/canvas-lms,gbleydon/canvas-lms,kyroskoh/canvas-lms,samuels410/greatlakes-lms,kyroskoh/canvas-lms,juoni/canvas-lms,ShreniiNepal/shrenii_lmp,AndranikMarkosyan/lms,utkarshx/canvas-lms,greyhwndz/canvas-lms,djbender/canvas-lms,greyhwndz/canvas-lms,gbleydon/canvas-lms,sfu/canvas-lms,utkarshx/canvas-lms,redconfetti/canvas-lms,HotChalk/canvas-lms,eCNAP/CANVAS,fronteerio/canvas-lms,SwinburneOnline/canvas-lms,dgynn/canvas-lms,dgynn/canvas-lms,narigone/canvas,skmezanul/canvas-lms,shidao-fm/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,juoni/canvas-lms,fronteerio/canvas-lms,wrdsb/canvas-lms,narigone/canvas,instructure/canvas-lms,HotChalk/canvas-lms,leftplusrightllc/canvas-lms,roxolan/canvas-lms,grahamb/canvas-lms,juoni/canvas-lms,va7map/canvas-lms,djbender/canvas-lms,redconfetti/canvas-lms,Jyaasa/canvas-lms,snehakachroo1/LSI_replica,roxolan/canvas-lms,jay3126/canvas-lms,leftplusrightllc/canvas-lms,matematikk-mooc/canvas-lms,dgynn/canvas-lms,fronteerio/canvas-lms,Jyaasa/canvas-lms,Rvor/canvas-lms,wye0220/shindig-canvas,whalejasmine/canvas-lms,antoniuslin/canvas-lms,SwinburneOnline/canvas-lms,wrdsb/canvas-lms,shidao-fm/canvas-lms,sfu/canvas-lms,arrivu/hoodemo,venturehive/canvas-lms,shidao-fm/canvas-lms,va7map/canvas-lms,ShreniiNepal/shrenii_lmp,instructure/canvas-lms,venturehive/canvas-lms,wrdsb/canvas-lms,matematikk-mooc/canvas-lms,snehakachroo1/LSI_replica,arrivu/hoodemo,jay3126/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,samuels410/greatlakes-lms,shidao-fm/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,arrivu/hoodemo,AndranikMarkosyan/lms,antoniuslin/canvas-lms,jay3126/canvas-lms