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定位实战：模态框
异乡客
Original
492 people have browsed it
  1. <!DOCTYPE html>
  2. <html lang="en">
  4. <head>
  5.     <meta charset="UTF-8" />
  6.     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  7.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  8.     <title>定位实战：模态框</title>
  9. </head>
  11. <body>
  12.     <header>
  13.         <h2 class="title">这是一个测试博客</h2>
  14.         <button onclick="document.querySelector('.modal').style.display='block'">
  15.         登录
  16.       </button>
  17.     </header>
  19.     <!-- 模态框 -->
  20.     <div class="modal">
  21.         <!-- 1. 半透明遮罩 -->
  22.         <div class="modal-bg" onclick="this.parentNode.style.display='none'"></div>
  24.         <!-- 2.弹层表单 -->
  25.         <!-- <form action="" class="modal-form">
  26.             <fieledset style="display: grid; gap: 1em">
  27.                 <legend>用户登录</legend>
  28.                 <input type="email" name="email" />
  29.                 <input type="password" name="password" placeholder="**********" />
  30.                 <button>登录</button>
  31.             </fieledset>
  32.         </form> -->
  34.         <form action="" class="modal-form">
  35.             <fieldset style="display: grid; gap: 1em">
  36.                 <legend>用户登录</legend>
  37.                 <input type="email" name="email" placeholder="user@email.com" />
  38.                 <input type="password" name="password" placeholder="不少于6位" />
  39.                 <button>登录</button>
  40.             </fieldset>
  41.         </form>
  42.     </div>
  43. </body>
  45. </html>
  47. <style>
  48.     * {
  49.         margin: 0;
  50.         padding: 0;
  51.         box-sizing: border-box;
  52.     }
  53.     /* 顶部样式 */
  55.     header {
  56.         background-color: lightgreen;
  57.         display: flex;
  58.         padding: 0.5em 1em;
  59.     }
  61.     header.title {
  62.         font-weight: lighter;
  63.         font-style: italic;
  64.         color: white;
  65.         text-shadow: 1px 1px 1px #444;
  66.         letter-spacing: 1px;
  67.     }
  69.     header button {
  70.         margin-left: auto;
  71.         width: 5em;
  72.         border: none;
  73.         border-radius: 0.5em;
  74.     }
  76.     header button:hover {
  77.         cursor: pointer;
  78.         background-color: coral;
  79.         color: white;
  80.         box-shadow: 0 0 8px #fff;
  81.         transition: 0.3s;
  82.     }
  83.     /* 模态框表单 */
  85.     .modal.modal-form fieldset {
  86.         padding: 5px 1em;
  87.         background-color: lightcyan;
  88.         border: none;
  89.         padding: 2em;
  90.         box-shadow: 0 0 5px #888;
  91.     }
  92.     /* 模态框表单标题 */
  94.     .modal.modal-form fieldset legend {
  95.         padding: 5px 1em;
  96.         background-color: rebeccapurple;
  97.         color: white;
  98.     }
  99.     /* 表单：固定定位 */
  101.     .modal .modal-form {
  102.         position: fixed;
  103.         top: 10em;
  104.         left: 20em;
  105.         right: 20em;
  106.     }
  107.     /* 遮罩：固定定位 */
  109.     .modal .modal-bg {
  110.         position: fixed;
  111.         height: 100px;
  112.         top: 0;
  113.         left: 0;
  114.         right: 0;
  115.         bottom: 0;
  116.         background-color: red;
  117.     }
  118.     /* 初始化时，将模态框弹出隐藏 */
  120.     .modal {
  121.         display: none;
  122.     }
  123. </style>
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