Fix the non-rounded corners on the video that you hover the mouse over.
// ==UserScript==
// @name Rounded Thumbnails
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Fix the non-rounded corners on the video that you hover the mouse over.
// @author dsvl0
// @match https://www.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant none
// @license MIT
// ==/UserScript==
(function() {
const fixStyle = document.createElement('style');
fixStyle.textContent = ` div#video-preview-container {border-radius: 12px; overflow: hidden} `
document.body.after(fixStyle);
// It's not that hard, is it, Google?
})();