jQuery CSS Method Callback Example

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<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
		<title>jQuery css() with Callback Example</title>
		<style>
			body {
				font-family: Arial, sans-serif;
				padding: 40px;
				background-color: #f9f9f9;
			}
			h1 {
				color: #333;
			}
			p {
				font-size: 16px;
				color: #444;
			}
			.content-box {
				padding: 20px;
				background-color: #fff;
				border: 1px solid #ccc;
				border-radius: 6px;
				margin-top: 20px;
				box-shadow: 0 2px 5px rgba(0,0,0,0.05);
			}
			.item {
				width: 100px;
				height: 50px;
				background-color: #1CAFA3;
				color: white;
				display: inline-block;
				margin: 0 10px 10px 0;
				line-height: 50px;
				text-align: center;
				border-radius: 4px;
				transition: all 0.3s ease;
			}
			button {
				margin-top: 15px;
				padding: 10px 20px;
				background-color: #4CAF50;
				color: white;
				font-size: 14px;
				border: none;
				border-radius: 4px;
				cursor: pointer;
			}
			button:hover {
				background-color: #388E3C;
			}
		</style>
		<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
	</head>
	<body>

<h1>jQuery <code>css()</code> Method – Dynamic Callback</h1>
		<p>Click the button to increase the width of each box by 20px times its index (0-based) using a callback function.</p>

<div class="content-box">
			<div class="item">Item 1</div>
			<div class="item">Item 2</div>
			<div class="item">Item 3</div>
			<div class="item">Item 4</div>
			<br/>
			<button id="growItemsBtn">Grow Items</button>
		</div>

</body>
</html>

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