HTML <iframe> marginwidth Attribute
Example
An <iframe> with a left and right margin of 50 pixels:
  
    <iframe src="demo_iframe.htm" marginwidth="50">
 </iframe>
  
Try it Yourself »
Definition and Usage
The <iframe> marginwidth attribute is not supported in HTML5. Use CSS instead.
The marginwidth attribute specifies the left and right margins of the content of an <iframe>, in pixels.
Browser Support
| Attribute | |||||
|---|---|---|---|---|---|
| marginwidth | Yes | Yes | Yes | Yes | Yes | 
The marginwidth attribute is deprecated, but still supported in all major browsers.
Syntax
  
    <iframe marginwidth="pixels">
Attribute Values
| Value | Description | 
|---|---|
| pixels | Specifies the left and right margins of the content of an <iframe> | 
❮ HTML <iframe> tag

