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@@ -0,0 +1,89 @@
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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 http-equiv="X-UA-Compatible" content="IE=edge">
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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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+ <style>
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+ #div0{
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+ width:800px;
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+ height: 500px;
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+ background: #ccc;
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+ /* 移动父元素 观察子元素的位置 */
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+ /* margin:50px; */
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+ position: relative;
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+ left:50px;
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+ top:50px;
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+ }
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+ #div1{
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+ width: 200px;
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+ height: 100px;
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+ background: #f00;
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+ float: left;
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+ }
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+ #div2{
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+ width: 200px;
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+ height: 100px;
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+ background: #0f0;
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+ float: left;
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+
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+ /* 定位 position:
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+ relative 相对定位 1相对于自己的初始位置 2定位后空间不释放
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+ absolute 绝对定位 1相对于最近已定位祖先元素，如果没有最近已定位的祖先元素相对于body 2定位后空间释放
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+ fixed 固定定位 1相对于浏览器的可视窗口 2空间释放
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+ static 静态的 不定位
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+
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+ */
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+
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+ /* position: relative;
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+ left:50px;
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+ top:200px; */
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+ position: absolute;
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+ left:50px;
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+ top:200px;
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+
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+
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+ }
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+ #div3{
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+ width: 200px;
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+ height: 100px;
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+ background: #00f;
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+ float: left;
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+
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+ }
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+ #div5{
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+ width: 100px;
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+ height: 200px;
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+ background: pink;
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+ position: fixed;
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+ left:10px;
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+ top: 0;
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+ }
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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="div0">
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+ <div id="div1"></div>
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+ <div id="div2"></div>
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+ <div id="div3"></div>
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+ </div>
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+
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+ <div id="div5"></div>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+ <h1>你好啊黑大黑大hghfghfgh范还得给非递归</h1>
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+
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+</body>
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+</html>
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dongxiuling
