Update the discussion area broken span tags

FOR-578
![screen shot 2014-06-17 at 3 14 12 pm](https://cloud.githubusercontent.com/assets/6030314/3298883/79852b6a-f608-11e3-9c52-25ad5aeb47c5.png)
This droparrow need space of 40px including all the padding so if we use 0.9 at some point arrow dislocated from its position.