Explain about exiernal style sheets details.

External style sheets can be referenced with a full URL or with a path relative to the current web page.
This example uses a full URL to link to a style sheet:

Example

<link rel="stylesheet" href="https://www.w3schools.com/html/styles.css">

 

This example links to a style sheet located in the html folder on the current web site:

Example

<link rel="stylesheet" href="/html/styles.css">

This example links to a style sheet located in the same folder as the current page:

Example

<link rel="stylesheet" href="styles.css">