Accessibility Improvements #1620
                
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Brief summary
Accessibility Improvements for users with disabilities. The only visual change is adding a visible focus indicator to the author cards.
Which issue is fixed?
Pull Request Type
In-depth Description
The app contains lots of unlabeled controls and controls that do not have roles. This should address the issues listed above, but the whole app needs some work to make it accessible. This app can be particularly appealing to screen reader users since audiobooks are generally favored over Braille books.
How have you tested this?
Tested with mobile screen readers, inspected the output HTML, and used the Android Accessibility Inspector.
Screenshots
This screenshot is the only visible front end change that I made. It is a focus indicator for the author cards which is necessary for users that might be using a bluetooth keyboard with their device.
