| 1234567891011121314151617181920212223242526 |
- <!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: 30px;
- border:1px solid black;
- border-radius: 2px; */
- /* width: 30px;
- height: 30px; */
- width: 0;
- /* border:50px solid black; */
- border-top: 50px solid black;
- border-left: 50px solid rgba(0,0,0,0);
- border-bottom: 50px solid rgba(0,0,0,0);
- border-right: 50px solid rgba(0,0,0,0);
- }
- </style>
- </head>
- <body>
- <div class="box"></div>
- </body>
- </html>
|
