I just noticed that the bottom of the circular "favorite this question" button is cut off, both on Mi Yodeya and Mi Yodeya Meta:
This issue also applies to the Favorites section of the user profile page:
I spot-checked a few different questions and saw this issue on each one. I'm not sure when it started. I'm not the only user to experience this. I see this issue in Chrome, both on a Windows desktop and on an Android phone. The comments on this post indicate that the issue applies to varioius browsers on various platforms.