Update button spacing default

This is more of an aesthetic preference but with the new default, it seems more inline with Safari

Before
![ios simulator screen shot may 27 2014 9 15 12 am](https://cloud.githubusercontent.com/assets/4723115/3094247/3035ed2c-e5ba-11e3-8647-223dd5209487.png)

After
![ios simulator screen shot may 27 2014 9 13 27 am](https://cloud.githubusercontent.com/assets/4723115/3094249/35503ab0-e5ba-11e3-9663-228a62e2b8d9.png)

Safari
![ios simulator screen shot may 27 2014 9 13 36 am](https://cloud.githubusercontent.com/assets/4723115/3094251/38470866-e5ba-11e3-806b-e2e2752b1b84.png)