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@@ -0,0 +1,26 @@
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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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+ <link rel="stylesheet" href="../css/3.选择器.css">
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+</head>
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+<body>
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+ <!-- <div>标签选择器</div>
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+ <p id="choose">id选择器</p>
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+ <p class="vase">class(类)选择器</p>
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+ <a href="">伪类选择器</a> -->
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+ <!-- <p>
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+ <span>后代(包含)选择器</span>
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+ </p> -->
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+ <!-- <h1>111</h1>
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+ <h2>222</h2>
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+ <b>333</b> -->
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+ <!-- <img src="../../day15/img/1.png" alt="111"> -->
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+ <!-- <h3>333</h3>
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+ <h4>444</h4>
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+ <h5>555</h5> -->
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+ <div id="box1">我的盒子</div>
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+</body>
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+</html>
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