Buttons (Sarah wee need detail here about the different kinds of buttons and their hierarchy, ie when should you use which button style and why.)
Summary
Buttons are used on the transactional pages of the system where users can make or save changes to a form. The buttons are made using CSS gradients…
Multiple buttons can appear on a single page. The default button color is Orange. Other buttons appear in Green.
Code
Example (in use, with an interaction, in context)
Related patterns
Hyperlinks; Tabs
Problem (business, user, technical)
In some cases, users need to save changes to forecasts (in RAFT) or add/edit comments and other transactions.  
Solution
We provide buttons so users know they are taking action explicitly rather than relying on the system to save (or lose) changes for them. 
Rationale (other things we tried)
Accessibility

Buttons

1. Summary
   1. Buttons are used on the transactional pages of the system where users can make or save changes to a form. 
   2. On pages where a single action button appears, use the Orange button for that primary/default action.
   3. On forms that require primary and secondary action(s), the primary button appears in Green; and the secondary buttons appear in Orange.
2. Code
3. Example (in use, with an interaction, in context)
4. Related patterns
   1. Hyperlinks
   2. Tabs
5. Problem (business, user, technical)
   1. In some cases, users need to explicitly submit forms. Buttons give users control to make these changes themselves.
6. Solution
   1. We provide buttons so users know they are taking action explicitly rather than relying on the system to save (or lose) changes for them. 
7. Rationale (other things we tried)
8. Accessibility