Make sure you validate your HTML and CSS, using a service like the W3C’s validator. This will warn you about obsolete tags and other errors that may make your HTML less robust.

When you create checkboxes on your website forms, browsers automatically display them in a particular size. You have the option to change these dimensions by applying Cascading Style Sheets to ...

Use Attractive Tables to Make the Best of Your Data HTML tables are a great way of displaying structured data on your website. You can style them with CSS to improve the default appearance.

We list the best HTML online courses, to make it simple and easy to improve your website design and development skills, from beginner to advanced level. HTML and CSS form the basic coding ...

Open your website's stylesheet in Notepad or your code editor. At the top of the code, write a style rule setting the entire page and HTML body to 100 percent height:html, body { height: 100%; } ...

Make sure to find colours that work well together. For example, you might like yellow and red, but using both of them at once might be a bit tough for visitors to look at.

AFAIK, CSS cannot affect the DOM tree. So, display: none just says the element should not be displayed, not that it should cease to exist. Style/structure separation and all that.

And if everything else fails, you can even directly insert content from CSS by using base64-encoded data strings, although smuggling in encoded data would hardly count as “generating HTML ...

Additional HTML and CSS has been added. Figure B. Using one of the examples available in jsFiddle (Click the image to enlarge.) Web playground. The jsFiddle site brands it as a Web playground, ...