add style to a tag code example
Example 1: html style tag
<html>
<head>
<style>
h1 {color:red;}
p {color:blue;}
</style>
</head>
<body>
<h1>A heading</h1>
<p>A paragraph.</p>
</body>
Example 2: how to add css to html
<link rel="stylesheet" href="hi.css">