1_css基础.html 397 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <title>Document</title>
  7. <!-- css 需要写在style标签中 -->
  8. <style>
  9. /* css 选择器 */
  10. /* 标签选择器 */
  11. h1{
  12. color:red;
  13. }
  14. </style>
  15. </head>
  16. <body>
  17. <h1>hello world</h1>
  18. </body>
  19. </html>