Shows YouTube progress bar at all times, in theater mode.
This keeps the progress bar visible beneath the video, in theater mode.
Meant to be used alongside YouTube FTW here:
https://addons.mozilla.org/en-US/firefox/addon/youtube-ftw/
Made on a 4K screen with the help of ChatGPT, but I've noticed it may not be consisent across viewports. Any optimizations to make it universal for different viewport sizes are welcome. For now, you may adjust the various ***"bottom: 0vh;"*** CSS per your viewport.
Based on:
https://greasyfork.org/en/scripts/30046-youtube-always-show-progress-bar
