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老师批语：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>绝对定位</title>
<style>
.box{
width: 300px;
height: 300px;
}
.box1{
width:100px;
height:100px;
background-color:red;
position: absolute;/*绝对定位,当前父元素为box*/
top:0;
left:100px;
}
.box2{
width:100px;
height:100px;
background-color:green;
position: absolute;/*绝对定位,当前父元素为box*/
top:100px;
left:200px;
}
.box3{
width:100px;
height:100px;
background-color:blue;
position: absolute;/*绝对定位,当前父元素为box*/
top:100px;
left:0;
}
.box4{
width:100px;
height:100px;
background-color:gold;
position: absolute;/*绝对定位,当前父元素为box*/
top:200px;
left:100px;
}
.box5{
width:100px;
height:100px;
background-color:pink;
position: absolute;/*绝对定位,当前父元素为box*/
top:100px;
left:100px;
}
</style>
</head>
<body>
<div class="box">
<div class="box1"></div>
<div class="box2"></div>
<div class="box3"></div>
<div class="box4"></div>
<div class="box5"></div>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
感悟：绝对定位是根据父元素来确定自身的位置。
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