Update UI to be more modern and fix issues

[geekygirlsarah]

What GitHub issue does this PR apply to?

N/A

What changed and why?

The UI for CT has been the same since it's founding in 2017. This helps modernize it a bit.

• Update the CSS to add better coloring and fonts, and use some items that are there
• Make better alerts show as alerts
• Distinguish between code, comments, not implemented, and other statuses more prominent
• Make compare/references pages more accessible
• and more

AI bots used in the process of making this PR

OpenCode's Big Pickle model

(If editing website code) Please add screenshots

Checklist

• I claimed any associated issue(s) and they are not someone else's
• I have looked at documentation to ensure I made any revisions correctly
• I tested my changes locally to ensure they work
• For language files, I have validated the edited files are valid JSON and data shows up correctly
• For website code edits, I have added or edited any appropriate unit tests for my changes
• If I used artificial intelligence (AI), I have reviewed the suggested changes and ensured they work correctly

Any additional comments or things to be aware of while reviewing?

N/A