Indeed! I guess I was confused by the organization of the example[0] for that section. The physical section being first obscures all the examples of the logical

Indeed! I guess I was confused by the organization of the example[0] for that section. The physical section being first obscures all the examples of the logical block style so all you see is variations of: border-top-color: tomato; border-right-color: limegreen; border-bottom-color: dodgerblue; border-left-color: gold; Looking back, my comment was more due to my own inability to visualize the simplicity of the logical properties as presented vs. what I've seen in other demonstrations and realizing that I lost sight of a resource that I think would be a helpful reference for myself as this new method becomes commonplace. [0]: https://codepen.io/huijing/pen/XWmKByZ https://codepen.io/huijing/pen/XWmKByZ