Creating diagonal triangles with CSS

"Another CSS Triangle Article?" There are plenty of places showcasing how to make CSS triangles, but most of the time only up, right, down, and left pointing triangles are covered. Examples of diagonal pointing triangles can be found by digging enough, but I don't want to dig. (As it turns…

Don't close me, bro!

I have a problem. It happens when I can’t decide immediately what key-command I am suposed to do so next my hands just guess which muscle memory to execute. Often that is ⌘ + W, because I close tabs, a lot. It also happens when I think the focus is on…