White/grayscale and stroke-only transparent buttons suck.
/* ==UserStyle== @name YouTube - Bring back colored thumbs up and down buttons and like bar @description White/grayscale and stroke-only transparent buttons suck. @version 2021.09.21 @author Swyter @license CC-BY-SA 4.0 @namespace https://greasyfork.org/users/4813 ==/UserStyle== */ @-moz-document url-prefix('https://www.youtube.com/') { :root { --swy-blue-color: #2e93ff; } #info > #info-contents #container ytd-toggle-button-renderer.style-default-active:first-of-type /* swy: only make blue the first/thumbs up */ { color: var(--swy-blue-color) !important; } #like-bar.ytd-sentiment-bar-renderer { background-color: var(--swy-blue-color) !important; } }