HTML <object> style Attribute

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

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



A style attribute on an embedded <object> element.

PDF cannot be displayed.
<object style="border:25px solid paleturquoise;padding:10px;
        data="/media/sample.pdf" type="application/pdf">
   PDF cannot be displayed.

Using style

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


<object style="CSS-styles">



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

More Examples

A style attribute on an embedded <object> element.
Clicking the button toggles the border color.

Object is not supported.

<object id="myobject" data="/media/sample.pdf" type="application/pdf"
        style="border:25px solid paleturquoise;padding:10px;
   Object is not supported.

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

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

    if ( === "paleturquoise") { = "mediumturquoise";
    } else { = "paleturquoise";

Code explanation

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

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

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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Author: Jack Poorte
Published: Jun 20 2021
Last Reviewed: Sep 30 2023

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