It seems "See votes, expandable user card" goes on a second line on the activity page of the user profile resulting in a pretty bad look:
You can see it live on this profile (though of course that may change any day now depending on their rep-growth).
I'm using Chrome Version 67.0.3396.99 (Official Build) (64-bit)
min-height
attribute of the.s-progress
CSS class from4px
to something more reasonable like25px
seems to fix the issue.