HTML <mark> style Attribute

A style attribute on a <mark> tag assigns a unique style to the element.

Its value is CSS that defines the appearance of the mark element.



A style attribute on a <mark> element.

Paul Cézanne was a post-impressionist painter.

  Paul Cézanne was a 
  <mark style="background: lavender;">post-impressionist</mark>

Using style

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


<mark style="CSS-styles">



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

More Examples

A style attribute on a <mark> element.
Clicking the button toggles the background color.

Paul Cézanne was a post-impressionist painter.

<p>Paul Cézanne was a 
  <mark id="mymark" style="background: lavender;">post-impressionist</mark>

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

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

    if ( === "lavender") { = "papayawhip";
    } else { = "lavender";

Code explanation

The style attribute assigns a background color to the <mark> element.

Clicking the button calls JavaScript which toggles the background color of this element.

Browser support

Here is when style support started for each browser:

6.0 Sep 2010
4.0 Mar 2011
9.0 Mar 2011
11.1 Mar 2011
5.0 Jun 2010

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Last updated on Sep 30, 2023