Cascading Style Sheets
What is CSS?
Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g., fonts, colors, spacing) to Web documents.
These pages contain information on how to learn and use CSS and on available software. They also contain news from the CSS working group.
Working group news
The working group regularly publishes reports on its blog; here are the most recent:
A part of the CSS WG in May 2016.
Nearly all browsers nowadays support CSS and many other applications do, too. To write CSS, you don’t need more than a text editor, but there are many tools available that make it even easier.
Of course, all software has bugs, even after several updates. And some programs are further ahead implementing the latest CSS modules than others. Various sites describe bugs and work-arounds.