Fixing accessibility issues on home and doc pages

[StephNathai]

Describe the bug A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Go to home page
2. Run accessibility check (I used AxeDevTools)
3. Repeat for dark mode
4. Repeat for docs page in both dark/light mode

Expected behavior A clear and concise description of what you expected to
happen.
Expect no accessibility issues

Screenshots (shows before/after fix) If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS] iOS
• Browser [e.g. chrome, safari] Chrome
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.