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后台管理及标签属性选择器
手机用户1594223549
Original
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一.后台管理

1.输出结果

2.代码部分

  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>简单的后台管理</title>
  8.   <style>
  9.     * {
  10.   margin: 0;
  11.   padding: 0;
  12.   box-sizing: border-box;
  13. }
  14. a {
  15.   text-decoration: none;
  16.   color: #555;
  17. }
  18. body {
  19.   height: 100vh;
  20.   width: 100vw;
  21.   display: grid;
  22.   grid-template-columns: 12em 1fr;
  23.   grid-template-rows: 5em 1fr;
  24. }
  26. body header {
  27.   grid-column-end: span 2;
  28.   background-color: seagreen;
  29.   letter-spacing: 2px;
  30.   padding: 2em;
  31.   display: flex;
  32.   place-items: center;
  33. }
  34. body header h1 {
  35.   color: #fff;
  36.   font-weight: 500;
  37.   text-shadow: 1px 1px 1px #000;
  38. }
  39. body header section {
  40.   margin-left: auto;
  41.   padding-right: 2em;
  42. }
  43. body header section em {
  44.   color: #eee;
  45.   margin-right: 1em;
  46. }
  47. body header section button {
  48.   padding: 3px 10px;
  49.   border: none;
  50.   outline: none;
  51.   transition: 0.3s;
  52. }
  53. body header section button:hover {
  54.   background-color: coral;
  55.   color: #fff;
  56.   cursor: pointer;
  57. }
  59. nav {
  60.   display: grid;
  61.   grid-auto-rows: min-content;
  62.   border-right: 1px solid currentColor;
  63.   background-color: #efc;
  64.   padding: 1em;
  65.   list-style: none;
  66. }
  68. nav a {
  69.   padding: 0.5em 0;
  70.   border-bottom: 1px solid #555;
  71. }
  72. nav a:hover {
  73.   background-color: lightgreen;
  74.   transition: 0.3s;
  75.   font-size: 1.01em;
  76.   color: orangered;
  77. }
  79. body iframe {
  80.   width: calc(100vw - 10em);
  81.   height: calc(100vh - 6em);
  82.   border: none;
  83.   background-color: #efefef;
  84. }
  85.   </style>
  86. </head>
  87. <body>
  88.   <header>
  89.     <h2>梦行后台管理</h2>
  90.   <section>
  91.     <em>admin</em>
  92.     <button onclick="location.href=`logout.php`">退出</button>
  93.   </section>
  94.  </header>
  95.  <nav>
  96.   <a href="../1017/demo1.html" target="content">后台首页</a>
  97.   <a href="../1017/demo2.html" target="content">用户管理</a>
  98.   <a href="../1017/demo3.html" target="content">订单管理</a>
  99.   <a href="../1017/demo4.html" target="content">支付管理</a>
  100.   <a href="../1017/demo5.html" target="content">渠道管理</a>
  101.   <a href="../1018/demo1.html" target="content">数据统计</a>  
  102.  </nav>
  103.  <iframe src="first.html" name="content"></iframe> 
  104. </body>
  105. </html>

二.标签及属性选择器

1.输出结果

2.代码部分

  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>标签及属性选择器</title>
  8.     <style>
  9.         h2 {
  10.   color: red;
  11. }
  13. h2[title='php.cn老师'] {
  14.   color: blue;
  15. }
  17. h2#active {
  18.   color: cyan;
  19. }
  21. h2[class='hello'] {
  22.   color: violet;
  23. }
  25. h2.hello {
  26.   color: skyblue;
  27.   border: 1px solid;
  28. }
  30. h1,
  31. h3,
  32. h4 {
  33.   color: rebeccapurple;
  34. }
  36. h2[title],
  37. h2.hello {
  38.   background-color: lightgreen;
  39. }
  42. body * {
  43.   background-color: yellow;
  44. }     
  45.     </style>
  46. </head>
  47. <body>
  48.     <h2>Hello world</h2>
  50.     <h2 title="php.cn老师">Hello, 朱老师</h2>
  52.     <h2 id="active">Hello, php中文网</h2>
  54.     <h2 class="hello">Hello, php.cn</h2>
  56.     <h1>合肥</h1>
  57.     <h3>南京</h3>
  58.     <h4>杭州</h4>
  60. </body>
  61. </html>
Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：很好 , 继续加油, 有注意到你每一次作业完成的都不错 ,态度很认真
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