通配符，删除边距的距离

#示范没删除的边距

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>12345yu8</h1>
    <div>12345678</div>
     <ul>
         <li>w23</li>
         <li>234</li>
         <li>1234</li>
     </ul>
</body>
</html>

 

 

示范：删除边距用style里面用 *和margin :0  ,padding:0

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            /* 外边距 */
            margin: 0;
            padding: 0;
            /* 内边距 */
        }
    </style>
</head>
<body>
    <h1>12345yu8</h1>
    <div>12345678</div>
     <ul>
         <li>567</li>
         <li>234</li>
         <li>1234</li>
     </ul>
</body>
</html>

 

 

posted @ 2022-03-26 16:03  python，菜鸟  阅读(42)  评论(0)    收藏  举报