Wrapping toolbar looks very bad on landing page

This actually looks _really_ bad if the wrapping happens on my machine:

<img width="1104" alt="FrontpageIssue" src="https://user-images.githubusercontent.com/1562854/191555583-96b1fa8e-d74f-4883-a897-3ec630f86565.png">

_Originally posted by @jklymak in https://github.com/matplotlib/mpl-brochure-site/issues/61#issuecomment-1253924118_