The post time background is cut off by the One Box content when posting questions/answers and maybe more. 
![enter image description here][1]

You can see the cut off in the top right corner. It's supposed to look like this:

![enter image description here][2]


  [1]: https://i.sstatic.net/H2SbG.png
  [2]: https://i.sstatic.net/1yPPh.png