CSS 3 has some awesome new animation capabilities for web developers — rotating objects, fading them in and out and more — but writing the code is a bit more complicated than most CSS rules.

Hype, released Friday, offers creative professionals an easy-to-use WYSIWIG editor for creating interactive Websites, animations, and more, all encoded in HTML5.

In CSS, you can create ... Open your Web page and its stylesheet in Notepad or your preferred code editor. ... Internet Explorer and Opera do not support CSS keyframe animations as of September 2011.

Back in 2012, Mozilla launched Thimble, an online code editor for teaching the basics of HTML, CSS and JavaScript. Over time, though, things got pretty quiet around the project as other browser ...

It allows you to edit PHP, HTML, CSS and JavaScript files, and it highlights the syntax and provides hints for tags, functions and their parameters. This editor deals with files that contain mixed ...