6.样式.html 2.5 KB

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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. <style>
  8. a {
  9. color: plum;
  10. /* 取消a标签默认样式 */
  11. text-decoration: none;
  12. /*
  13. 下划线underline
  14. 上划线 overline
  15. 删除线 line-through
  16. */
  17. text-decoration: line-through;
  18. }
  19. ul {
  20. /* 去做列表默认样式 */
  21. list-style: none;
  22. }
  23. div {
  24. width: 300px;
  25. height: 300px;
  26. font-size: 30px;
  27. font-weight: bold;
  28. color: #ff0;
  29. background: rgba(255,0,0,transparent);
  30. /* opacity: .1; */
  31. }
  32. a {
  33. width: 100px;
  34. height: 100px;
  35. background: #0f0;
  36. /* 将元素转成块元素 */
  37. display: block;
  38. }
  39. /*
  40. opacity与rgba区别
  41. opacity全透明
  42. rgba 背景色透明
  43. transparent 透明
  44. opacity 0-1
  45. 颜色 16进制 缩写 rgb rgba=>(alpha) 0-1
  46. 红 #ff0000 #f00 255,0,0
  47. 黄 #ffff00 #ff0 255,255,0
  48. 蓝 #0000ff #00f 0,0,255
  49. 绿 #00ff00 #0f0 0,255,0
  50. 黑 #000000 #000 0,0,0
  51. 白 #ffffff #fff 255,255,255
  52. */
  53. /* 案例:画一个倒三角css */
  54. p {
  55. width: 300px;
  56. height: 300px;
  57. background: #ff0;
  58. /* 缩进:
  59. 2em两字符
  60. */
  61. text-indent: 2em;
  62. /* 将元素转成行内元素 */
  63. /* display: inline; */
  64. /* 将元素转成行内块元素 */
  65. display: inline-block;
  66. }
  67. </style>
  68. </head>
  69. <body>
  70. <div>哈哈哈哈</div>
  71. <a href="">你好</a>
  72. <ul>
  73. <li>a</li>
  74. <li>a</li>
  75. <li>a</li>
  76. <li>a</li>
  77. </ul>
  78. <p>你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好</p>
  79. <p>你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好你好</p>
  80. </body>
  81. </html>