HTML <ol> style Attribute

The style attribute on an <ol> tag assigns a unique style to the ordered list. A style contains one or more CSS property/value pairs that define the appearance of the ordered list.

Example

#

A style attribute on an <ol> element.

  1. Amsterdam
  2. London
  3. Berlin
  4. Paris
<ol style="background-color: #f6f8ff;
           padding: 20px 40px;
           width: 200px;">
  <li>Amsterdam</li>
  <li>London</li>
  <li>Berlin</li>
  <li>Paris</li>
</ol>

Using style

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


Syntax

<ol style="CSS-styles">

Values

#

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

More Examples

A style attribute on an <ol> element.
Clicking the button toggles the background color.

  1. Amsterdam
  2. London
  3. Berlin
  4. Paris

<ol id="myol" 
    style="background-color: cornsilk;
           padding: 20px 40px;
           width: 200px;">
  <li>Amsterdam</li>
  <li>London</li>
  <li>Berlin</li>
  <li>Paris</li>
</ol>

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

<script>
  let toggle = () => {
    let element = document.getElementById("myol");

    if (element.style.backgroundColor === "lavender") {
       element.style.backgroundColor = "cornsilk";
    } else {
       element.style.backgroundColor = "lavender";
    }
  }
</script>

Code explanation

The style attribute assigns a background color, padding, and width to the <ol> element.

Clicking the button calls JavaScript which toggles the background to another color.


Browser support

Here is when style support started for each browser:

Chrome
1.0 Sep 2008
Firefox
1.0 Sep 2002
IE/Edge
1.0 Aug 1995
Opera
1.0 Jan 2006
Safari
1.0 Jan 2003

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