how to store content of css in html code example

Example 1: adding css to html

<head>
  <!-- Linking external Css document -->
  <link rel="stylesheet" href="styles.css">
  
  <!-- Writing Css inside HTML element -->
  <style>
    ...
  </style>
</head>

Example 2: CSS IN HTML

<!-- Styles can be inserted in html using <style></style> element -->
<style>
	body {
    	background-color: cyan/*Color*/; 
  	}
</style>

<!--CSS can also be linked using link tag in html 
-the link tag is a self-closing tag-->

<link rel="stylesheet" type="text/css" href="filename.css"/>