Update styling conventions and structure

[braxex]

Update styling conventions and structure

Summary

Updates styling convention to scope styles tightly to components (avoiding polluting the global namespace).

Addresses #16

Type of change

• [x] New feature (non-breaking change which adds functionality)

How To Test

Checklist:

• [x] My code follows the style guidelines of this project and has no linting errors
• [x] I have performed a self-review of my code
• ~[ ] I have commented my code, particularly in hard-to-understand areas~
• ~[ ] I have made corresponding changes to the documentation, including any applicable ADRs~
• [x] My changes generate no new warnings
• ~[ ] I have added tests that fail without these changes~
• ~[ ] New and existing tests (unit, integration, accessibility) pass locally~
• ~[ ] Documentation updated~
• ~[ ] If there are security concerns they are addressed or ticketed after being discussed~