How to disable zoom on double tap
The zoom-in feature on a mobile double tap can be disabled with a single line of CSS.
The CSS container property
The CSS container property allows responsive styling at a micro level.
CSS has()
Playing around with the CSS has() pseudo-class to see what it does.
CSS and JavaScript for website dark mode
How to create a dark mode on a website
CSS resources for developers
List of handy CSS related resources for developers.