To HTML Content Category Flow

Html elements hr, em, and h3

hr element Creates a horizontal line in the HTML document, em element Specifies that the enclosed text should be emphasized, h3 element Heading Level 3. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

hr hr and em, hr, em, and h3

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 1.0safari 1.0Firefox 1.0ie 2.0opera 5.0