header h1 font-size to 2em from 2.5em for #1

With the font size set to 2em instead of 2.5em the page's title now renders inside the ribbon:

![](http://f.cl.ly/items/423w0B3Y042o2B33263o/Screen%20Shot%202014-06-13%20at%205.56.37%20PM.png)