Accessibility improvements

[dielduarte]

This is not a feature. After the UI refactor we did, we need to adjust and improve accessibility.

I wanted to break it into two steps:

• evaluate how bad we are right now and the amount of work we need to do, possibly breaking it into small issues
• work on the issues created.

@assuncaocharles do you have any time available to take a look at least at the first step? I believe we could use your experience to guide us.