The hover line of the community button on header doesn't work on the site.
The hover line effect intended for the community button on the website's header is not functioning as expected. Upon hovering over the community button, a visual indicator in the form of a line should appear, providing feedback to users that the button is interactive. However, this hover line effect is not being displayed.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://www.python.org/community/'
2. Click on 'community button on header section'
3. See error

Expected behavior
when you hover over a button or a link on a website, there's a visual change to indicate that it's clickable or active. This might include a change in color, underlining, or the appearance of a border or line under the button.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [windows 11]
• Browser [Chrome]
• Version [new]