External Style Sheet

<pre><code>&lt;head&gt;
&lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;mystyle.css&quot;&gt;
&lt;/head&gt;</code></pre>

//here is how the "mystyle.css" looks

body {
  background-color: lightblue;
}

h1 {
  color: navy;
  margin-left: 20px;
}