<!DOCTYPE html>
<html>
<head>
<style>
.button { border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer;
}
.button1 {background-color: #04AA6D;} /* Green */
.button2 {background-color: #008CBA;} /* Blue */
</style>
</head>
<body>
<h1>The button element - Styled with CSS</h1>
<p>Change the background color of a button with the background-color property:</p>
<button class="button button1">Green</button>
<button class="button button2">Blue</button>
</body>
</html>