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0321课后作业
张成钢的博客
Original
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实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>CSS选择器</title>
	<style type="text/css">
		ul {
			margin: 1px;
			width: 450px;
			border: 2px solid #666;
			padding:10px 5px; 
		}
		
		ul:after {
			content: '';
			display: block;
			clear: both;
		}

		li {
			list-style: none;
			float: left;
			width: 40px;
			height: 40px;
			line-height: 40px;
			text-align: center;
			border-radius: 50%;
			background: skyblue;
			margin-right: 5px;
		}


		ul li:first-child {
			background-color: brown;
		}

		ul li:last-child {
			background-color: lightgreen;
		}

		*[id]{
			background-color: red;
		}

		li[class="green"] {
			background-color: lightgreen;
		}

		li[class~="red"] {
			background-color: brown;
		}	

		li[class ^= "js"] {
			background-color:coral; 
		}	

		li[class $= "s"] {
			background-color:lime; 
		}	

		#li1 {
			color: white;
		}		

	</style>
</head>
<body>
	<ul>
		<li id="li1">1</li>
		<li class="green">2</li>
		<li class="green red">3</li>
		<li class="red">4</li>
		<li>5</li>
		<li id="li2">6</li>
		<li class="js">7</li>
		<li class="js html">8</li>
		<li>9</li>
		<li>10</li>

	</ul>
	
</body>
</html>

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0321-1.png

0321-2.png

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