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.

Use animated GIFs sparingly, and try to keep them as small as possible to help your Web pages load faster. You can also add a background-position attribute to your CSS, with values such as center ...

Create a section for your CSS style sheet in the header of your HTML page. Link to an external CSS style sheet as an alternative for larger stylesheets.