YouTube - larger player

Added by denilsonsa@userstyles, Created: Apr 10, 2014, Updated: May 09, 2015
  • With the style applied
  • With the style applied (Generated screenshot)
  • Without the style applied (Generated screenshot)


This style enlarges the "large player" version of YouTube videos. Instead of a fixed width, it tries to expand to almost the entire viewport.

More info
This style only affects the "large player"/"theater mode", which is the button right next to the "full screen" button.

Updated to work with the new (

Known issues:
  • Video annotations and the progress bar do NOT line up. Impossible to write a CSS-only solution. Seems fixed as of 2016-06-03.
  • The video does not take the entire window height, there is the YouTube bar at the top. It is done on purpose, just to make the style work out-of-the-box when you want to watch a video; and also to keep the YouTube UI functional.
  • The video does not take the entire window height, there is a small space at the bottom. It is done on purpose, because of the horizontal scrollbar that may show up if the window is resized.
  • 3D videos (such as are not resized. That's because I don't think it is posssible to resize a <canvas> element using only CSS while preserving the aspect ratio.
This style is constantly updated. I update it whenever it gets broken because YouTube changed their code. If you find something wrong/broken, feel free to contact me.

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Applies to:,
CC0 1.0 Universal.
denilsonsa@userstyles has waived all copyright and related or neighboring rights to YouTube - larger player, to the extent allowed by law.

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