When editing custom HTML/CSS inside of ArcHub, it's cumbersome to switch back and forth between the separate editing windows. I suggest that both the HTML and CSS editing windows become grouped together under one 'editing' window. The popular coding education website Codecademy uses this method and so I know it is achievable. Being able to easily switch between the HTML and CSS windows would allow for much faster 'on-the-fly' code implementations and reduce errors while saving time.
