> This is meant to run lighting and puzzles for themed events and escape rooms, so it's useful to be able to completely change fonts and colors without touching

> This is meant to run lighting and puzzles for themed events and escape rooms, so it's useful to be able to completely change fonts and colors without touching markup. If you're "in control" of the interface, and accessibility isn't a concern, have you considered just "making up" your UI elements? Like an old-school version of custom components [0]. If semantics is what you're after, and if you're running the UI in a browser kiosk mode, why limit yourself to HTML5? [0]: https://codepen.io/spdustin/pen/VwgmXWw https://codepen.io/spdustin/pen/VwgmXWw