1. The DOCTYPE declaration <!DOCTYPE html> 2. The character encoding (charset) declaration <meta charset="UTF-8"> 3. New semantic element <header> The <header> element represents a container for introductory content or a set of navigational links. <article> <header> <h1>Title 1</h1> <h3>Title 2</h3> <p>Some text</p> </header> <p>Lorem Ipsum dolor set amet....</p> </article> ... Continue reading