make standalone-icons gray, not default link blue
make standalone-icons gray, not default link blue

Change-Id: I5b86d51972d3be499c242ab0ebb775080b99a5ef
refs: #CNVS-913
Reviewed-on: https://gerrit.instructure.com/15812
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Chris Hart <711c73f64afdce07b7e38039a96d2224209e9a6c@12spokes.com>

Jyaasa/canvas-lms,leftplusrightllc/canvas-lms,sdeleon28/canvas-lms,rup/Tarrax,jay3126/canvas-lms,parbros/red-innovadores-lms,jay3126/canvas-lms,merichar/canvas-lms,SwinburneOnline/canvas-lms,jay3126/canvas-lms,nditech/red-innovadores-lms,efrj/canvas-lms,utkarshx/canvas-lms,Jyaasa/canvas-lms,wimemx/Canvas,va7map/canvas-lms,greyhwndz/canvas-lms,wrdsb/canvas-lms,sfu/canvas-lms,loganrun/pincan,usmschuck/canvas,arrivu/arrivu-lms,sdeleon28/canvas-lms,va7map/canvas-lms,skmezanul/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,whalejasmine/canvas-lms,arrivu/jigsaw-lms,Unow/ins,roxolan/canvas-lms,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,arrivu/qibla-ecampus,arrivu/qibla-ecampus,sli7246/canvas_branch,loganrun/pincan,samuels410/greatlakes-lms,wye0220/shindig-canvas,nditech/red-innovadores-lms,HotChalk/canvas-lms,va7map/canvas-lms,kyroskoh/canvas-lms,tgroshon/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,arrivu/jigsaw-lms,Unow/ins,HotChalk/canvas-lms,kyroskoh/canvas-lms,grahamb/canvas-lms,Unow/canvas-lms,Rvor/canvas-lms,sfu/canvas-lms,skmezanul/canvas-lms,djbender/canvas-lms,sdeleon28/canvas-lms,antoniuslin/canvas-lms,merichar/canvas-lms,tgroshon/canvas-lms,wrdsb/canvas-lms,leftplusrightllc/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,grahamb/canvas-lms,Unow/canvas-lms,whalejasmine/canvas-lms,rup/Tarrax,SwinburneOnline/canvas-lms,wrdsb/canvas-lms,juoni/canvas-lms,samuels410/greatlakes-lms,ShreniiNepal/shrenii_lmp,jay3126/canvas-lms,wrdsb/canvas-lms,venturehive/canvas-lms,whalejasmine/canvas-lms,merichar/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,arrivu/hoodemo,wye0220/shindig-canvas,fronteerio/canvas-lms,parbros/red-innovadores-lms,leftplusrightllc/canvas-lms,juoni/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,redconfetti/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,Unow/canvas-lms,landonwilkins/canvas-lms,antoniuslin/canvas-lms,loganrun/pincan,tgroshon/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,fronteerio/canvas-lms,sli7246/canvas_branch,antoniuslin/canvas-lms,kyroskoh/canvas-lms,samuels410/greatlakes-lms,rup/Tarrax,ShreniiNepal/shrenii_lmp,landonwilkins/canvas-lms,nditech/red-innovadores-lms,grahamb/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,skmezanul/canvas-lms,arrivu/hoodemo,Rvor/canvas-lms,djbender/canvas-lms,parbros/red-innovadores-lms,landonwilkins/canvas-lms,greyhwndz/canvas-lms,juoni/canvas-lms,redconfetti/canvas-lms,wye0220/shindig-canvas,ShreniiNepal/shrenii_lmp,Jyaasa/canvas-lms,shidao-fm/canvas-lms,venturehive/canvas-lms,leftplusrightllc/canvas-lms,sfu/canvas-lms,juoni/canvas-lms,va7map/canvas-lms,samuels410/greatlakes-lms,kyroskoh/canvas-lms,whalejasmine/canvas-lms,redconfetti/canvas-lms,utkarshx/canvas-lms,landonwilkins/canvas-lms,nditech/red-innovadores-lms,wimemx/Canvas,shidao-fm/canvas-lms,HotChalk/canvas-lms,arrivu/arrivu-lms,djbender/canvas-lms,usmschuck/canvas,tgroshon/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,efrj/canvas-lms,redconfetti/canvas-lms,utkarshx/canvas-lms,roxolan/canvas-lms,arrivu/jigsaw-lms,sli7246/canvas_branch,arrivu/qibla-ecampus,usmschuck/canvas,roxolan/canvas-lms,roxolan/canvas-lms,arrivu/arrivu-lms,Unow/ins,wimemx/Canvas,antoniuslin/canvas-lms,utkarshx/canvas-lms,usmschuck/canvas,Rvor/canvas-lms,skmezanul/canvas-lms,arrivu/hoodemo,Jyaasa/canvas-lms,sfu/canvas-lms