New Styles Beta - Button Colors

[addiedavis]

Current packages:
@gsa-sam/sam-styles@3.0.0-alpha.2
@gsa-sam/ngx-uswds@14.0.0-beta.3

Is your feature request related to a problem? Please describe.
The updated scss files drastically changed the colors for buttons, as well as changed the sizing.

What is on the uswds branch in sam-frontend-content (local only)

Describe the desired solution
The buttons should look like the below picture:

Additional context
This is the HTML for this section :

[addiedavis]

This ticket is for the color and width of these buttons. It appears that the class 'width-full' is not registering as a full width. And class 'sds-button' has a blue color instead of the usual green