Deuglifies the new Wikipedia theme by fixing the colors (which are mostly blinding white by default)

Wikipedia - The Goggles Do Nothing.user.css

/* ==UserStyle==
@name         Wikipedia - The Goggles Do Nothing
@version      2023.01.25
@description  Deuglifies the new Wikipedia theme by fixing the colors (which are mostly blinding white by default) 
@namespace    https://github.com/Eklei
@author       Eklei
==/UserStyle== */

@-moz-document domain("wikipedia.org") {
:root {
	--cont-pad-x: 2.0em;
	--cont-pad-y: 0.5em;
	--cont-neg-x: calc(0px - var(--cont-pad-x));
	--cont-neg-y: calc(0px - var(--cont-pad-y));
	--font-color: #111; /*default #202122*/
	--bgcolor-infobox: #F8F9FA;
	--bgcolor-light: #FBFBFB;
	--bgcolor-dark: #F0F0F0;
	--shadow-color: #00000011;
	--shadow-top: 0 0 55px 55px var(--shadow-color);
	--shadow-fore: 0 0 33px var(--shadow-color);
}
@media screen {
	.mw-page-container {
		background: transparent !important;
	}
	body,
	.mw-content-container {
		background: var(--bgcolor-light) !important;
	  	color: var(--font-color) !important;
	}
	.vector-menu-dropdown > .vector-menu-content,
	.vector-main-menu, .vector-toc {
		background: var(--bgcolor-infobox) !important;
		box-shadow: var(--shadow-fore) !important;
	}
	.vector-search-box-input {
		background: #FFF !important;
	}
	#mw-panel-toc {
		contain: none !important;
	} /*why...? this nonsense property set to 'paint' broke drop shadows for no reason*/
	.vector-toc {
		margin-left: -1px;
	} /*fix new inaccuracy introduced on Jan-24 that's invisible when everything is white*/
}
@media screen and (min-width: 1000px) {
	html body {
		background: var(--bgcolor-dark) !important;
	}
	html body::before {
		content: ''; display: block; position: absolute; z-index: -1;
		top: 0px; left: 0; right: 0; height: 0;
		box-shadow: var(--shadow-top) !important;
	}
	html .mw-content-container {
		position: relative !important;
	}
	html .mw-content-container::after {
		content: ''; position: absolute; z-index: -1;
		top: var(--cont-neg-y); right: var(--cont-neg-x); bottom: 0; left: var(--cont-neg-x);
		background: var(--bgcolor-light); box-shadow: var(--shadow-fore);
	} /*add shadow-casting padding without changing the position or size of the container*/
	html .vector-toc-pinned #vector-toc-pinned-container {
		margin-top: 1.5em !important;
		padding-top: 1.5em !important;
	}
	html .vector-toc-pinned #vector-toc-pinned-container .vector-toc::after {
		background: linear-gradient(transparent,var(--bgcolor-infobox)) !important;
		background-repeat: no-repeat !important;
		background-position: -17px !important;
	}
}
}

See fork here for easy Stylus install. Gists apparently don't have pull requests, but you can just make a new revision I guess.

https://gist.github.com/ggppjj/18fb137d8f16b4cacfa4250b6882d5dd