There's some neat things in here - the gradient editor showing the stops on the element is pretty nice.

But overall the design of this tool is very difficult for me to use. It's trying too hard to be pretty, at the expensive of utility. I found the Typography section to be really difficult to grok with a complete lack of labels and borders around text boxes. It's neat that you have the same flexbox controls that Webflow had in 2015, but the way those icons are laid out makes it so inscruitable.