Make primary button focus state more pronounced
increase contrast of submission_feedback text
LMS: revising more pronounced focus state of onboarding buttons
Merge pull request #5105 from edx/talbs/os-ggg-a11y

LMS: Accessibility Tweaks
Add paver arguments for default store for lettuce acceptance testing (LMS-11211); default store set to Draft.
update_module_store_settings for default store in Acceptance and BokChoy tests.
Paver Bokchoy support for Split; default store set to Split.
Fix split bokchoy tests.
Fix bokchoy tests; Make auth check branch agnostic
LMS-11357 Split revert_to_publish: correctly revert to Published version
Cache inherited settings outside of structure
LMS-11363