This is not just developer-first, even though they say it. Their design shows that all you have to do is copy paste a snippet and it'll work. Also, to OP; tha

This is not just developer-first, even though they say it. Their design shows that all you have to do is copy paste a snippet and it'll work. Also, to OP; that IS design. Design is choosing what to display where, based on a why. Don't confuse design with art. The artistic merits of this work are rooted in opinion. The design of it either solves issues or doesn't :) That's why you can learn design.