TH The H3 element defines a level-three heading . This heading is more important than an H4 but less important than an H2 . Possible values are left , right , center , and justify .
Style sheets provide greater flexibility in suggesting alignment.
Visual browsers typically render H3 in a bold font. Authors can suggest a presentation for H3 through style sheets. The heading level should be chosen based on the heading's importance and placement in the document. An H3 is typically used within a section headed by an H2 . All rights reserved.