HTML <strong> style Attribute

The style attribute on a <strong> tag assigns a unique style to the strong text element. A style contains one or more CSS property/value pairs that define the appearance of the strong element.



A style attribute on a <strong> tag.

Homework is due on March 11.

  Homework is due on <strong style="color: teal;">March 11</strong>.

Using style

The style attribute specifies the style, i.e. look and feel, of the <strong> element.

A style contains any number of CSS property/value pairs, separated by semicolons (;).

The style attribute overrides any other style that was defined in a <style> tag or an external CSS file.

This inline styling affects the current <strong> element only.


<strong style="CSS-styles">



Value Description
CSS-styles One or more CSS property/value pairs separated by semicolons (;).

More Examples

A style attribute on a <strong> tag.
Clicking the button toggles the text color.

Homework is due on March 11.

  Homework is due on 
  <strong id="mystrong" style="color: teal;">March 11</strong>.

<br />
<button onclick="toggle();">Toggle style</button>

  let toggle = () => {
     let element = document.getElementById("mystrong");

     if ( === "teal") { = "tomato";
    } else { = "teal";

Code explanation

The style attribute assigns a text color to the <strong> element.

Clicking the button calls JavaScript which toggles the text color to a different one.

Browser support

Here is when style support started for each browser:

1.0 Sep 2008
1.0 Sep 2002
1.0 Aug 1995
1.0 Jan 2006
1.0 Jan 2003

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