<html>
<head>
<meta charset="utf-8" />
<title></title>
<style>
.box1{
/*大相小绝/子绝父相:父盒子相对定位/子盒子绝对定位*/
width: 1000px;
height: 1800px;
border: solid 5px red;
}
.box1 div{
width: 200px;
height: 200px;
}
.box2{
/*position:定位 相对定位 绝对定位 固定定位*/
position: relative; /*相当定位*/
/*偏移量*/
left:100px; /*往左偏移100px*/
top:170px;
background-color: pink;
z-index: 1; /*正数/负数/0:值越大.显示越靠前*/
}
.box3{
/*absolute绝对定位：根据上一个有定位的盒子偏移位置，如果说往上都没有定位的盒子，就根据body来偏移，*/
/*绝对定位的盒子会脱标*/
position: absolute;
/*偏移量*/
top:100px;
right: 200px;o accelerator: false;
background-color: deeppink;
}
.box4{
/*fixed:固定定位,根据body*/
position: fixed;
right:0px;
top:200px;
background-color: skyblue;
}
.box5{
position: fixed;
top:10px;
width: 500px;
height: 50px;
background-color: royalblue;
}
</style>
</head>
<body>
<div class="box5"></div>
<div class="box1">
<div class="box2"></div>
<div class="box3"></div>
<div class="box4"></div>
</div>
</body>
</html>
HTML thirteenth
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Origin blog.csdn.net/weixin_54989803/article/details/115069837
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