Bureau structure page

- Add bureau structure page contents.
- Add content slider functionality for mobile org chart.
- Add jump-link__back & jump-link__bg modifiers.
Double indent

![](http://38.media.tumblr.com/74b98ea322b622e3bb4ea53381a49787/tumblr_n1i4c7dYtI1tooympo1_400.gif)