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第5章 3.21_CSS基本术语
唐朝的博客
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QQ20180322-191622@2x.png


实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>1.基本选择器</title>
	<style type="text/css">
		ul{
			padding: :0;
			margin: 0;
			width:45px;
			border: 1px dashed #666;
			padding: 10px 5px 10px;
		}
		ul:after{
			content: '';
			display: block;
			clear: both; 
		}
		li{
			list-style: none;
			float: left;
			width: 40px;
			line-height: 40px;
			text-align: center;
			border-radius: 50%;
			background-color: skyblue;
			margin-right: 15px;
			margin-bottom: 5px;
		}

		/*id*/
		#item1 {
			background-color: red;
		}
		/*类选择器*/
		.green{
			background-color: #008B8B;
		}

		/*父子选择器*/ 
		ul li {
			color:white;
		}

		/*通配*/
		ul *{
			border:1px solid black;
		}
		/*子元素选择器  > */

		ul > li {
			background-color: #7FFFD4;
		}

		/*相邻弟兄选择器*/
		#item2 + li {
			background-color: #5F9EA0;
		}


		/*全部弟兄选择器*/
		#item2 ~ li {
			background-color: yellow;
		}


	</style>
</head>
<body>
	<ul>
		<li id=item1>1</li>
		<li class="green">2</li>
		<li>3</li>
		<li>4</li>
		<li id=item1>5</li>
		<li id=item2>6</li>
		<li>7</li>
		<li>8</li>
		<li>9</li>
		<li>10</li>
	</ul>
</body>
</html>

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Correction status：qualified

Teacher's comments：作业已检查！！ 请及时将前面丢的手写代码补上！！
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