html refer to external style sheet code example
Example 1: how to link css to html
<link rel="stylesheet" href="styles.css">
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"/>