How to Remove Rounded Firefox Tabs
You can remove Firefox’s rounded tabs and other rounded elements with a few lines of CSS.
CSS
How to Disable CSS Animations and Transitions
Disable CSS animations and transitions with a few lines of CSS.
Render HTML and CSS if JavaScript Is Disabled Using the `<noscript>` Tag
Render HTML and apply CSS styles if JavaScript is disabled.
The prefers-reduced-motion CSS Media Query
Apply CSS styles conditionally when a user enables reduced motion on their device.