Reproduction Steps:

1. Go to https://test-community-app.topcoder-dev.com/challenges
2. Sign in with username: dan_developer password: dantopcoder123
3. Click on 'log in'
4. Navigate the site using only the keyboard.
5. Observe that the navigation bar is inaccessible using the keyboard

Expected Behavior
To be able to navigate the menu using only the keyboard

Actual Behavior
Nothing happens when the keyboard is pressed

Device/OS Information:
macOS
Safari
12.1.1