I always felt uneasy about the "separation of concerns" with HTML/CSS/JS. I felt it was at the wrong level - a technical one. HTML and CSS are different techno

I always felt uneasy about the "separation of concerns" with HTML/CSS/JS. I felt it was at the wrong level - a technical one. HTML and CSS are different technologies, but the domains we should be separating are logic and presentation. These don't always map, e.g. there is such as presentation logic.