This happens when the button has too much text.
(In reply to Mike Cooper [:mythmon] from comment #2) > In a PR https://github.com/mozilla/kitsune/pull/89. Wrong pull request. This one is for bug 668229.
Er, oops. Copy and paste failure, I dropped a character. The right PR: In a PR https://github.com/mozilla/kitsune/pull/890 . Thanks!
Confirmed in production.
Verified for the four locales in comment 0. It's a pretty big button!
Adding s= sprint information to whiteboard.