以下是 HTML5+CSS3超酷动态表单js代码 的示例演示效果:
部分效果截图:

HTML代码(index.html):
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>HTML5+CSS3超酷动态表单</title>
<style>
		*:focus{
			outline:none; /* Prevents blue border in Webkit */
		}
		body {
			font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; /*  */
		}
		
		#top_bit {
			width:760px;
			margin: 0 auto;
		}
		
		form {
			width:300px;
			margin: 20px auto;
		}
		p {
			line-height: 1.6;
		}
		input, textarea {
			font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
			background-color:#fff;
			border:1px solid #ccc;
			font-size:20px;
			width:300px;
			min-height:30px;
			display:block;
			margin-bottom:16px;
			margin-top:8px;
			
			-webkit-border-radius:5px;
			-moz-border-radius:5px;
			border-radius:5px;
			
			-webkit-transition: all 0.5s ease-in-out;
			-moz-transition: all 0.5s ease-in-out;
			transition: all 0.5s ease-in-out;
		}
		
		textarea {
				min-height:200px;
		}
		input:focus, textarea:focus {
			-webkit-box-shadow:0 0 25px #ccc;
			-moz-box-shadow:0 0 25px #ccc;
			box-shadow:0 0 25px #ccc;
			
			-webkit-transform: scale(1.05);
			-moz-transform: scale(1.05);
			transform: scale(1.05);
		}
		
		/* The interesting bit */
		
		input:not(:focus), textarea:not(:focus) {
			opacity:0.5;
		}
		
		input:required, textarea:required {
			background:url("tests/formdemo/asterisk_orange.png") no-repeat 280px 7px;						
		}
		input:valid, textarea:valid {
			background:url("tests/formdemo/tick.png") no-repeat 280px 5px;			
		}		
		input:focus:invalid, textarea:focus:invalid {
			background:url("tests/formdemo/cancel.png") no-repeat 280px 7px;						
		}
		input[type=submit] {
			padding:10px;
			background:none;
			opacity:1.0;
		}
		
		</style>
	</head>
<body>
	<div id="top_bit">
		<h1></h1>
	</div>	
	<form action="formdemo.php" method="post"> 
		<label for="name">Name:</label> 
		<input type="text" name="name" required placeholder="Name" />
		
		<label for="email">Email:</label> 
		<input type="email" name="email" required placeholder="email@chinaz.com" />
		<label for="website">Website:</label> 
		<input type="url" name="website" required placeholder="http://13141618.taobao.com" />
		<label for="number">Number:</label> 
		<input type="number" name="number" min="0" max="10" step="2" required placeholder="Even num < 10">
		<label for="range">Range:</label> 
		<input type="range" name="range" min="0" max="10" step="2" />
		<label for="message">Message:</label> 
		<textarea name="message" required></textarea>
	
		<input type="submit" value="Send Message" />
			</form>
</body>
</html>
 
             
        