PHP allows you to create one template and echo the color attributes directly into the CSS or HTML code at runtime. For example, the following echos the text and background colors of a Web page ...

PhpDesigner (29€ for non-commercial use, 69€ for commercial use) is a full-fledged PHP, CSS, HTML, and JavaScript editor, with code completion and syntax highlighting for all four languages.

Dabblet, created by Lea Verou, is an “interactive playground” for trying out snippets of CSS and HTML code. It uses -prefix-free, so that you won’t have to add any prefixes in your CSS ...

HTML, CSS and other web technologies are also great ways to teach developers important, meaningful lessons about how to write code — lessons that programmers can apply to any popular programming ...

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 ...