<!doctype html>
<html>
<head>
<title>Basic Selector</title>
<style>
h2 {
color: darkorange;
}
.blue_text {
color: blue;
}
#red_text {
color: red;
}
</style>
</head>
<body>
<h2>Tag selector</h2>
<hr>
<h2 class="blue_text">Class selector</h2>
<hr>
<h2 id="red_text">Id selector</h2>
</body>
</html>