<!doctype html>
<html>
<head>
<title>Basic Selector Combination</title>
<style>
.header {
color: red;
}
div.header {
color: blue;
}
h1,
h2 {
color: green
}
</style>
</head>
<body>
<p class="header">text-1</p>
<div>text-2</div>
<div class="header">text-3</div>
<div>
<h1>text-4</h1>
</div>
<div class="header">
<h1>text-5</h1>
</div>
<h2>text-6</h2>
</body>
</html>