The "getting started button" and "buy button" are both interaction buttons. (Similar buttons, but one is green and the other is yellow).
In Sass you represent that this way: 1. Placeholder %interaction-button class where you outline the fact that it has a border radius, color, and any other shared styling. 2. A button maker mixin where you put the colors that need to be changed, and any other flags (like has_sub_text: true for the unbold text) and then @extend's the placeholder above. 3. The classes ".buy-button {}" which include the mixin you made.
