they've used it here to give you a static frame around the video, which tells you to press the "angle" button for full screen. I've decided to keep both versions, labelling one as [with frame].

^ computer witch ^
^ self-taught 3D modeller ^
^ 🏳️⚧️, fan of girls ^
^ old enough ^
^ anarchist 🟥⬛^
bysee them uncombined here
they've used it here to give you a static frame around the video, which tells you to press the "angle" button for full screen. I've decided to keep both versions, labelling one as [with frame].