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一个我的电脑按钮在不同分辨率的设备屏幕下如何显示不同大小
P粉019280626
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  1. 用媒体查询，设置不同设备下屏幕大小
  3. <!DOCTYPE html>
  4. <html lang="zh-CN">
  5. <head>
  6.     <meta charset="UTF-8">
  7.     <meta http-equiv="X-UA-Compatible" content="IE=edge">
  8.     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  9.     <title>媒体查询--我的电脑按钮</title>
  10. </head>
  11. <body>
  14. <button class="btn xiaode">我的电脑小</button>
  15. <button class="btn zhongde">我的电脑中</button>
  16. <button class="btn dade">我的电脑大</button>
  18. <style>
  19.     html {font-size:0.625rem;}
  21. .btn {
  22.     background-color:darkblue;
  23.     color:blanchedalmond;
  24.     border:none;
  25. }
  27. .btn:hover{
  28.     cursor:pointer;
  29.     opacity:0.8;
  30.         transition:0.3s;
  31. }
  34. /* 设置默认下字体大小 */
  35. .btn.xiaode{
  36.     font-size:1.2rem;
  37. }
  39. .btn.zhongde{
  40.     font-size:1.5rem;
  41. }
  43. .btn.dade{
  44.     font-size:2rem;
  45. }
  47. /* 再设置不同宽度下的显示大小 */
  48. @media (max-width:375px) {
  49.     html {
  50.     font-size:14px; }
  51. }
  53. @media (min-width:375px) and (min-width:600px) {
  54.     html{
  55.     font-size:16px;}
  56. }
  59. @media (min-width:600px){
  60.     html{
  61.     font-size:22px;}
  62. }
  65. </style>
  66. </body>
  67. </html>


Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：作业内容的话，再提交的时候可以在状态栏选择作业
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