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@@ -0,0 +1,95 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <!--
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+ 取消ul的默认样式:list-style: none;
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+ 取消a的默认样式：text-decoration: none;
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+ 添加划线：
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+ text-decoration
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+ line-through 中划线
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+ overline 上划线
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+ underline 下划线
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+ -->
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+ <style>
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+ ul {
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+ list-style: none;
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+ }
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+ a {
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+ text-decoration: none;
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+ }
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+ #aa {
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+ text-decoration: line-through;
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+ }
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+ ul li {
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+ width: 100px;
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+ height: 40px;
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+ background-color: aqua;
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+ margin-top: 10px;
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+ /* 文字在已知宽高的盒子内居中 */
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+ text-align: center;
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+ /* 行间距 */
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+ line-height: 40px;
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+ }
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+ /* 包含选择器 */
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+ ul li a{
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+ color: #000;
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+ font-size: 16px;
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+ }
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+ /* 伪类选择器
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+ :hover 划过
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+ :first-child 第一个子类
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+ :last-child 最后一个子类
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+ :nth-child(n) 第n个子类
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+ 偶数项 even 2n
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+ 奇数项 odd 2n+1
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+ */
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+ /* ul li a:hover {
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+ color: #ff0;
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+ } */
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+ ul li:hover {
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+ background-color: #f00;
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+ }
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+ ul li:hover a {
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+ color: #ff0;
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+ }
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+ /* ul li:first-child {
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+ background-color: pink;
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+ }
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+ ul li:first-child a {
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+ color: purple;
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+ }
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+ ul li:last-child {
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+ background-color: pink;
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+ }
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+ ul li:last-child a {
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+ color: purple;
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+ }
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+ ul li:nth-child(3) {
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+ background-color: pink;
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+ }
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+ ul li:nth-child(3) a {
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+ color: purple;
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+ } */
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+
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+ ul li:nth-child(2n+1) {
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+ background-color: pink;
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+ }
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+ ul li:nth-child(2n+1) a {
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+ color: purple;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div id="aa">aaaa</div>
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+ <ul>
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+ <li><a href="">大额神卷</a></li>
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+ <li><a href="">大额神卷</a></li>
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+ <li><a href="">大额神卷</a></li>
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+ <li><a href="">大额神卷</a></li>
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+ <li><a href="">大额神卷</a></li>
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+ </ul>
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+</body>
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+</html>
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