The World Wide Web Consortium, or W3C, has a onsite tool, called CSS Validator, that scans CSS for errors. You can use CSS Validator to find mistakes in your code, then fix the CSS using the scan ...

Save your CSS template in the same directory as the HTML pages you want to use the template with. For example, if you want the page "index.html" to use the CSS template "template.css," then save ...

A software developer from San Francisco managed to do what no one else did before, creating a fully-functional two-way chat using only CSS and HTML, completely ditching JavaScript in the process.