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Generic JS Button Example

<!DOCTYPE html>
<html lang="EN-US">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
        <style>
	        body {
	            background-color: red;
	        }
	        
	        p {
	            padding: 7px;
	            margin-left: -8px;
	            margin-right: -8px;
	            font-family: Lobster, 'San Serf';
	            background: lightyellow;
	        }
	        
	        h2, #buttons {
	            text-align: center;
	        }
	    </style>
    </head>
	<body>
	    <h2>Button Example</h2>
	    <p>
		    This is an example paragraph. Notice what happens when you change the screen size.
		</p>
		<hr>
        <div id="buttons">
    		<button id="red">Red</button>
    		<button id="green">Green</button>
    		<button id="blue">Blue</button>
		</div>
		<script>
			let body = document.querySelector('body');
			document.querySelector('#red').onclick = function() {
				body.style.backgroundColor = 'red'};
			document.querySelector('#green').onclick = function() {
				body.style.backgroundColor = 'green'};
			document.querySelector('#blue').onclick = function() {
				body.style.backgroundColor = 'blue'};
		</script>
	</body>
</html>

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