uniform styling implementation

[dpgraham4401]

Description

Adds tailwind CSS as a dependency and implements all stylings in our source using utility classes instead of the ad hoc styling we had before that involved global classes, react style props, and css modules.

Issue ticket number and link

closes #90

Checklist

• I have added tests that prove my fix is effective or that my feature works
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings