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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>
- .box {
- width: 200px;
- height: 200px;
- background-color: red;
- font-size: 30px;
- font-weight: bold;
- text-align: center;
- line-height: 200px;
- color: white;
- /* rotate 旋转 deg 角度*/
- /* transform: rotate(45deg); */
- /* transform-origin: 旋转中心 原点。 */
- /* transform-origin: left top; */
- /* transform-origin: center center; */
- /* 第一个值代表横向 第二值代表纵向 */
- /* transform-origin: 100px 100px; */
- transform-origin: 300px center;
- transform: rotate(45deg);
- }
- .box2{
- width: 200px;
- height: 200px;
- border:2px solid black;
- margin:300px auto;
- }
- </style>
- </head>
- <body>
- <div class="box2">
- <div class="box">
- 10
- </div>
- </div>
- </body>
- </html>
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