Resize Youtube Player To Window Size

GreasyFork: <a href="https://greasyfork.org/scripts/811-resize-yt-to-window-size" rel="nofollow" target="_blank">https://greasyfork.org/scripts/811-resize-yt-to-window-size
OpenUserJS.org: <a href="https://openuserjs.org/scripts/zren/Resize_YT_To_Window_Size" rel="nofollow" target="_blank">https://openuserjs.org/scripts/zren/Resize_YT_To_Window_Size
Userscripts.org: <a href="http://userscripts-mirror.org/scripts/show/153699" rel="nofollow" target="_blank">http://userscripts-mirror.org/scripts/show/153699

Moves the video to the top of the website and resizes it to the screen size. A side effect is that the resolution will auto-select 480p/720p/1080p if it fits in the window due to the video player's default behaviour.