1<!-- add this line into the head tag -->
2<link rel="stylesheet" type="text/css" href="yourstylesheetname.css">
3<!-- remember to change the irl in href -->
1<html>
2<head>
3<style>
4 h1 {color:red;}
5 p {color:blue;}
6</style>
7</head>
8<body>
9
10<h1>A heading</h1>
11<p>A paragraph.</p>
12
13</body>
1<html>
2 <body>
3 <!-- BODY HTML -->
4 </body>
5 <head>
6 <!-- HEAD HTML -->
7 </head>
8 <style>
9 /* CSS */
10 </style>