A rel="stylesheet" attribute value specifies that the external link is a stylesheet that will be applied to the current page.
This setting only applies to <link> tags.
A rel="stylesheet" on a <link> element.
This stylesheet will be included into the page.
<head>
<link rel="stylesheet" href="/tutorial/style.css">
</head>
The rel attribute defines the relationship between the current page and the linked page or resource.
A rel="stylesheet" value specifies that the stylesheet file will be loaded into the current page.
The URL for the CSS stylesheet is specified by the href attribute.
<link rel="stylesheet" href="url" />
Only one element accepts a stylesheet value on the rel attribute.
| Elements | Description | |
|---|---|---|
| <link> | Links a resource to the current page -- see example above |
Here is when rel support started for each browser:
 Chrome
|
6.0 | Sep 2010 |
 Firefox
|
4.0 | Mar 2011 |
 IE/Edge
|
12.0 | Jul 2015 |
 Opera
|
11.1 | Mar 2011 |
 Safari
|
5.0 | Jun 2010 |
