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Simple.css is classless CSS template that allows you to create a good looking website very quickly.

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

Learn what semantic markup is and how you can ensure that the HTML you write is semantically meaningful and accurate.

Learn how to code HTML & CSS for free at HTML.com. We've HTML tutorials & reference guides on tags, attributes and everything else you need to master HTML.