[Bug][a11y] fix accessibility a11y

[gbowne1]

The majority of issues found by the Firefox a11y tab in the browser console are text label issues.

fix the accessibility of the index.html

[cuteshaun]

Do you still need any help with this?

[gbowne1]

Yes @cuteshaun

[cuteshaun]

Yes @cuteshaun

would be happy to take a look