固定定位 fixed 

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    body{
      height: 1000px;
    }
    div:nth-of-type(1){/*绝对定位，相对于浏览器*/
      width: 100px;
      height: 100px;
      background-color: #FF2525;
      position: absolute;
      right: 0;
      bottom: 0;
    }
    div:nth-of-type(2){/*fixed，固定定位*/
      width: 50px;
      height: 50px;
      background-color: #88ec85;
      position: fixed;
      right: 0;
      bottom: 0;
    }
  </style>

</head>
<body>

<div>div1</div>
<div>div2</div>
</body>
</html>

 

posted @ 2022-04-11 23:59  少时凌云志  阅读(27)  评论(0)    收藏  举报