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The strong element indicates text that is of great importance, seriousness, or urgency.

Overview Table

DOM Interface HTMLElement

The relative level of importance of a piece of content is given by its number of ancestor strong elements.


This example uses the strong element to indicate important information.


<p>Please fill in the form below.
<strong>Note: all fields are required.</strong></p>
}}{{Single Example
|Description=Example with nested '''strong''' elements.
|Code=<nowiki><p><strong><strong>Warning.</strong> This dungeon is dangerous.</strong></p>


 The strong element is a phrasing-level element. It must not contain block-level elements, but it can contain other phrasing-level elements.


By default, most browsers render the strong element with bold text, but you can change that in CSS.

If you are looking to emphasize a word or phrase, the em element would be a better choice.

If you want to bold text, but the text is not important, you should use the CSS rule font-weight: bold on the appropriate element enclosing the text.

Related specifications

Specification Status Related Changes
HTML 5.1 W3C Working Draft
HTML 5 W3C Recommendation
HTML 4.01 W3C Recommendation

See also

Related articles


  • strong


  • strong

Related pages (MSDN)


This article contains content originally from external sources.

Portions of this content come from the Microsoft Developer Network: [Windows Internet Explorer API reference Article]