|
|
@@ -0,0 +1,140 @@
|
|
|
+<!DOCTYPE html>
|
|
|
+<html lang="en">
|
|
|
+<head>
|
|
|
+ <meta charset="UTF-8">
|
|
|
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
|
+ <title>Document</title>
|
|
|
+ <style>
|
|
|
+ .bc{
|
|
|
+ position: fixed;
|
|
|
+ top:0;
|
|
|
+ left: 0;
|
|
|
+ right: 0;
|
|
|
+ bottom: 0;
|
|
|
+ background-color: #f0f4c3;
|
|
|
+ }
|
|
|
+ /*fixed absolute 定位之后的元素 之前的空间会被释放掉 默认宽度为内容宽度 */
|
|
|
+ .footer{
|
|
|
+ position: fixed;
|
|
|
+ bottom: 0;
|
|
|
+ left: 0;
|
|
|
+ z-index: 1;
|
|
|
+ background-color: #fffde7;
|
|
|
+ width: 100%;
|
|
|
+ height: 50px;
|
|
|
+ text-align: center;
|
|
|
+ line-height: 50px;
|
|
|
+ color: #b28704;
|
|
|
+ }
|
|
|
+ .content{
|
|
|
+ width: 500px;
|
|
|
+ background-color: #fff;
|
|
|
+ position: absolute;
|
|
|
+ z-index: 2;
|
|
|
+ left: 50%;
|
|
|
+ top:100px;
|
|
|
+ margin-left: -250px;
|
|
|
+ text-align: center;
|
|
|
+ padding:20px;
|
|
|
+ border-radius: 20px;
|
|
|
+ }
|
|
|
+ .content h1{
|
|
|
+ color: #689f38;
|
|
|
+ }
|
|
|
+ .content .info{
|
|
|
+ width: 300px;
|
|
|
+ margin: 10px auto;
|
|
|
+ }
|
|
|
+ .content .desc{
|
|
|
+ color: #999;
|
|
|
+ font-size: 12px;
|
|
|
+ }
|
|
|
+ .content .bubble-content{
|
|
|
+ background-color: #b2dfdb;
|
|
|
+ width: 500px;
|
|
|
+ height: 400px;
|
|
|
+ border-radius: 20px;
|
|
|
+ position: relative;
|
|
|
+ }
|
|
|
+ .content .bubble-content .bubble-one{
|
|
|
+ width: 50px;
|
|
|
+ height: 50px;
|
|
|
+ background-color: red;
|
|
|
+ border:3px solid #fff;
|
|
|
+ position: absolute;
|
|
|
+ left: 50%;
|
|
|
+ top: 50%;
|
|
|
+ margin-top: -25px;
|
|
|
+ margin-left: -25px;
|
|
|
+ border-radius: 50%;
|
|
|
+ color: white;
|
|
|
+ font-weight: bold;
|
|
|
+ line-height: 50px;
|
|
|
+ }
|
|
|
+ .content .bubble-content .bubble-two{
|
|
|
+ width: 80px;
|
|
|
+ height: 80px;
|
|
|
+ border:3px solid #fff;
|
|
|
+ background-color: #ffd54f;
|
|
|
+ border-radius: 50%;
|
|
|
+ color: #fff;
|
|
|
+ font-weight: bold;
|
|
|
+ line-height: 80px;
|
|
|
+ position: absolute;
|
|
|
+ top: 50px;
|
|
|
+ left: 50px;
|
|
|
+ }
|
|
|
+ .content .bubble-content .bubble-three{
|
|
|
+ width: 100px;
|
|
|
+ height: 100px;
|
|
|
+ border:3px solid #fff;
|
|
|
+ background-color: #81d4fa;
|
|
|
+ border-radius: 50%;
|
|
|
+ color: #fff;
|
|
|
+ font-weight: bold;
|
|
|
+ line-height: 100px;
|
|
|
+ position: absolute;
|
|
|
+ top: 80px;
|
|
|
+ left: 80px;
|
|
|
+ }
|
|
|
+ .content .bubble-content div::after{
|
|
|
+ content: "";
|
|
|
+ display: block;
|
|
|
+ width: 25%;
|
|
|
+ height: 20%;
|
|
|
+ background-color: rgba(255,255,255,0.5);
|
|
|
+ position: absolute;
|
|
|
+ top:20%;
|
|
|
+ left: 20%;
|
|
|
+ border-radius: 50%;
|
|
|
+ /* opacity: 0.5; */
|
|
|
+ }
|
|
|
+ .content .bubble-content div:hover{
|
|
|
+ padding: 20px;
|
|
|
+ margin-top: -20px;
|
|
|
+ margin-left: -20px;
|
|
|
+ z-index: 1;
|
|
|
+ }
|
|
|
+ .content .bubble-content .bubble-one:hover{
|
|
|
+ margin-left: -45px;
|
|
|
+ margin-top: -45px;
|
|
|
+ }
|
|
|
+ </style>
|
|
|
+</head>
|
|
|
+<body>
|
|
|
+ <div class="bc"></div>
|
|
|
+ <div class="content">
|
|
|
+ <h1>趣味气泡 Position 练习</h1>
|
|
|
+ <p class="info">任务： 观察并理解气泡的定位方式，鼠标悬停气泡试试看！</p>
|
|
|
+ <p class="desc">（气泡用 absolute，气泡区用 relative，底部说明条用 fixed）</p>
|
|
|
+ <div class="bubble-content">
|
|
|
+ <div class="bubble-one">A</div>
|
|
|
+ <div class="bubble-two">B</div>
|
|
|
+ <div class="bubble-three">C</div>
|
|
|
+ </div>
|
|
|
+ </div>
|
|
|
+ <div class="footer">
|
|
|
+ <span>本页面用于练习 position: relative / absolute / fixed 及 hover/伪元素效果</span>
|
|
|
+ </div>
|
|
|
+</body>
|
|
|
+</html>
|
