jsbin/jsbin — pull request #1741 by remy (2014-07-29 10:26:16+00:00)
Title: Give visual feedback when loop protection works

![screen shot 2014-07-29 at 11 25 19](https://cloud.githubusercontent.com/assets/13700/3733682/b0c28b5e-170a-11e4-93ad-91a2885aceea.png)

Also tidied up the error box and it's borders.