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- <!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>
- #div1{
- width: 200px;
- height: 200px;
- /* background: #000; */
- border-radius: 50%;
- border-width: 10px;
- border-style: solid;
- border-color: black;
- border-bottom-color: transparent;
- /*
- -webkit-border-radius: 50% 为了兼容Chrome 或者 Safari
- -moz-border-radius: 50% 为了兼容火狐浏览器
- -0-border-radius: 50% 兼容欧朋浏览器
- -ms-border-radius
- */
- }
- </style>
- </head>
- <body>
- <div id="div1"></div>
- </body>
- </html>
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