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Extend youtube player styles (Background, Borders)

Makes youtube player round and hides black background

  1. // ==UserScript==
  2. // @name        Extend youtube player styles (Background, Borders)
  3. // @namespace   shiftgeist
  4. // @match       https://www.youtube.com/*
  5. // @grant       GM_addStyle
  6. // @version     20250407
  7. // @author      shiftgeist
  8. // @description Makes youtube player round and hides black background
  9. // @run-at      document-start
  10. // @license     GNU GPLv3
  11. // @icon        https://www.google.com/s2/favicons?sz=64&domain=youtube.com
  12. // ==/UserScript==
  13.  
  14. GM_addStyle(`
  15.   ytd-watch-flexy[full-bleed-player] div#full-bleed-container.ytd-watch-flexy {
  16.     background: #0f0f0f;
  17.   }
  18.  
  19.   .video-stream.html5-main-video {
  20.     border-radius: 4px;
  21.   }
  22. `);