border-box?
border-box?

- switched to `window.screen.availWidth`

ISSUES:
- There's a weird very minor (1px) _flicker_ at the end `showPoster`, A.N.C. it.
- `screenWidth` is not filling the screen 🤔

moe-szyslak/showtime,moe-szyslak/Mantis-Toboggan,moe-szyslak/showtime