How to install custom userstyles in Opera - gHacks Tech News

So called userstyles can be used to change the look and feel of websites locally. Basic examples are to change the text color or size, the background color or the position of […]

Less of this please : r/firefox

Custom Style Script extension - Opera add-ons

You also get a built in-tech news feed right on the main screen

Change the color scheme of websites permanently with Midnight

GTasks Sidebar extension - Opera add-ons

The best security addons for Opera - Avira Blog

Opera GX adds new color themes plus GX Cleaner to purge those old

Solved: Is there a dark mode available for Jira on the web

How to run Toby extension from Chrome Store in Opera

Block Search Engine Ads on Opera, Ghostery

Userstyles How To Download Css - Colaboratory

Here's how to add proper dark themes for Ableton Live, SoundCloud

Stylus is a Stylish fork without analytics - gHacks Tech News

How to install custom userstyles in Opera - gHacks Tech News