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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- div{
- width: 200px;
- height: 200px;
- background-color: red;
- }
- div span{
- /* display : none 隐藏元素 */
- /* display: none; */
- }
- div:hover span{
- display: none;
- }
- </style>
- </head>
- <body>
- <div> <span>hello world</span> </div>
- </body>
- </html>
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