HTML <h1>-<h6> style Attribute

The style attribute on an <h1>-<h6> tag assigns a unique style to the text header. A style contains one or more CSS property/value pairs that define the appearance of the header element.

Example

#

A style attribute on an <h3> element.

Practical HTML and CSS techniques.

<h3 style="border-bottom:2px solid orangered;padding-bottom:5px;">
    Practical HTML and CSS techniques.
</h3>

Using style

The style attribute specifies the style, i.e. look and feel, of the <<h1> to <h6> 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 <h1> to <h6> element only.


Syntax

<h3 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 <h3> element.
Clicking the button toggles the bottom border color.

Advanced HTML and CSS techniques.


<h3 id="myheading"
    style="border-bottom:2px solid orangered;padding-bottom:5px;">
    Advanced HTML and CSS techniques.
</h3>

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

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

    if (element.style. borderColor === "black") {
       element.style. borderColor = "orangered";
    } else {
       element.style. borderColor = "black";
    }
  }
</script>

Code explanation

The style attribute assigns a border color to the <h3> element.

Clicking the button calls JavaScript which toggles the border 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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