macOS Sierra Version 10.12.4
Google Chrome Version 57.0.2987.133 (64-bit)
and Safari Version 10.1 (12603.1.30.0.34)
Search bar that used to be one line is now split in three lines
We haven't deployed the plugin site for a ~2 weeks. It looks like the CSS that is pulled from jenkins.io has recently been updated, specifically the "frame" layout that is ultimately injected into the page we use. Thanks for pointing this out as we were not aware.
From my investigation I don't have enough CSS experience to know how to diagnose. I'll have to talk with gus reiber
Merged into develop. Will request deployment in a bit.