This members-only tutorial provides the steps to automatically add classes like oxy-post-1,oxy-post-2,oxy-post-3 and so on to the posts output by Oxygen's Easy Posts component.
This is useful for easily targeting these divs in the CSS rather than using pseudo selectors like .oxy-post:nth-child(1),.oxy-post:nth-child(2) and so on..
While this may not appear to be a significant improvement, the usefulness of this will be relevant as you follow my upcoming tutorial on Pinegrow to Oxygen CSS Grid workflow.