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固定定位的联系客服+简易的三行三列布局
qwq
Original
650 people have browsed it

好累,但是要加油,不能辜负自己

固定位置联系QQ客服

展示图

源码

  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  3. <head>
  4. <meta charset="UTF-8" />
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  7. <title>固定定位</title>
  8. <!-- 相对定位:relative基于自身位置定位 -->
  9. <!-- 绝对定位:absolute是基于上一个定位元素定位的,使用绝对定位上级必须是定位元素 -->
  10. <!-- 固定定位:fixed是基于body或者html定位的,常用
  11. 只要position不是static,就可充当定位元素 -->
  12. <style>
  13. body {
  14. height: 100vh;
  15. width: 100vw;
  16. position: relative;
  17. background: rgb(214, 53, 53);
  18. margin: auto;
  19. left: 0px;
  20. right: 0px;
  21. top: 0px;
  22. bottom: 0px;
  23. }
  24. .qy {
  25. height: auto;
  26. width: auto;
  27. position: fixed;
  28. top: 300px;
  29. right: 120px;
  30. }
  31. </style>
  32. </head>
  33. <body>
  34. <div class="qy">
  35. <img src="/0702/qq.jpg" alt="qq客服" />
  36. </div>
  37. </body>
  38. </html>

三行三列布局

展示图

源码

  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  3. <head>
  4. <meta charset="UTF-8" />
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  7. <title>三行三列布局</title>
  8. </head>
  9. <style>
  10. /* 通配符养成习惯 */
  11. * {
  12. margin: 0;
  13. padding: 0;
  14. box-sizing: border-box;
  15. }
  16. /* 定义字体大小,方便使用 */
  17. :root {
  18. font-size: 10px;
  19. }
  20. /* 定义网页默认元素大小 */
  21. body {
  22. font-size: 16px;
  23. }
  24. /* 页眉页脚的高度及背景 */
  25. header,
  26. footer {
  27. height: 120px;
  28. background: rgb(19, 140, 211);
  29. }
  30. /* 内容区的外边距和最小高度和相对定位 */
  31. .container {
  32. margin: 0.2rem 0;
  33. min-height: 60rem;
  34. position: relative;
  35. }
  36. /* 宽度和绝对定位和最小高度继承 */
  37. .container aside {
  38. width: 20rem;
  39. position: absolute;
  40. min-height: inherit;
  41. background: rgb(167, 35, 255);
  42. }
  43. /* 右侧的侧边框 */
  44. .container aside:last-of-type {
  45. right: 0px;
  46. top: 0px;
  47. }
  48. /* 主体的绝对定位和左侧和右侧还有最小高度继承 */
  49. .container main {
  50. position: absolute;
  51. background: rgb(80, 255, 109);
  52. left: 20.2rem;
  53. right: 20.2rem;
  54. min-height: inherit;
  55. }
  56. </style>
  57. <body>
  58. <header>页眉</header>
  59. <div class="container">
  60. <aside>左侧</aside>
  61. <main>主体</main>
  62. <aside>右侧</aside>
  63. </div>
  64. <footer>页脚</footer>
  65. </body>
  66. </html>

哪里不对请多多指教!!!
您将可能改变我的一生!!
勇敢浅忆,不怕困难!!!

Correcting teacher:PHPzPHPz

Correction status:qualified

Teacher's comments:
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1 comments
一把青 2021-11-02 01:45:22
加油!!!
1 floor
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