Style Updates: Casing, Monospacing, Modals

[travis-wb]

Summary

Submitter Checklist:

• Demo new or changed functionality to stakeholders
• Perform self-review (see reviewer checklist)
• Annotate MR with comments for reviewer
• Document any new patterns or features on peak-design-system
• Assign a team member who should specifically review this code
• Address reviewer feedback, if any, and assign back to reviewer

Reviewer Checklist:

• Version bump in package.json
• Visually review significant UI changes
• Assign @pez-wb as reviewer if needed
• Assign back to submitter with feedback

[pez-work]

wondering if uppercaseshould also include upper-case to match w/ classing convention of sentence-case and title-case

[pez-work]

would argue that is is probably a patch (class additions/cleanup) vs a minor revision so 3.0.2