To HTML Content Category Flow

Html elements h3, video, and h2

h3 element Heading Level 3, video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, h2 element Heading Level 2. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

h3 h3 and video, h3, video, and h2

Advanced example

Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':

You cannot advance example level further.

HTML element example

Result from the Online TryIt-Editor
chrome 3.0safari 3.1Firefox 3.5ie 9.0opera 10.5