jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser. A quick tour ...

and GitHub’s Desktop app to host your code and publish your website. Sure the course will introduce a handful of essential HTML elements and teach you how to write CSS rulesets. What helps stand ...

If a CSS rule doesn’t seem to work when it looks like it should and your code appears to be written correctly, or perhaps an element you’re trying to style won’t apply in any browser ...