目标伪类选择器实现手风琴效果

作者: eternalshallow | 来源:发表于2016-07-25 15:18 被阅读181次

CSS3实现手风琴效果(学习笔记)
目标伪类选择器实现手风琴效果
伪类和伪元素
CSS3选择器
css3-新增选择器
web-6
伪类选择器、清除浮动
伪类选择器
2018-09-18 day22-css
伪元素和伪类

Paste_Image.png

闲话不多说，直接上代码：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .accordionMenu{
            background: #fff;
            color: #424242;
            font: 12px Arial,Verdana,sans-serif;
            margin: 0 auto; 
           padding: 10px;
            width: 500px;
        } 
       .accordionMenu h2{
            margin: 5px 0;
            padding: 0; 
           position: relative;
        } 
       .accordionMenu h2:before{
            border: 5px solid transparent;
            border-top-color: #fff; 
           content: '';
            height: 0;
            position: absolute;
            right: 10px; 
           top: 15px;
            width: 0;
        } 
       .accordionMenu h2 a{
            background: #8f8f8f; 
           border-radius: 5px; 
           color: #424242;
            display: block; 
           font-size: 13px;
            font-weight: normal; 
           margin: 0; 
           padding: 10px;
            text-shadow:  2px 2px 2px #aeaeae;
            text-decoration: none;
        } 
       .accordionMenu :target h2 a,
        .accordionMenu h2 a:focus,
        .accordionMenu h2 a:hover,
        .accordionMenu h2 a:active{
            background: #2288dd;
            color: #ffffff;
        } 
       .accordionMenu p{
            margin:  0;
            height: 0;
            overflow: hidden;
            padding: 0 10px; 
           transition:  height 0.5s ease-in;
        } 
       .accordionMenu :target p{
            height: 100px;
            overflow: auto;
        }
        .accordionMenu :target h2:before{
            border-color:  transparent transparent transparent #fff;
        }
    </style>
</head>
<body>
    <div class="accordionMenu">
        <div class="menuSection" id="brand">
            <h2><a href="#brand">Brand</a></h2> 
           <p>Lorem    ipsum dolor...</p>
        </div>
    </div>
        <div class="accordionMenu"> 
           <div class="menuSection" id="promition">
                <h2><a href="#promition">promition</a></h2> 
               <p>Lorem    ipsum dolor sit amet...</p>
            </div>
        </div>
            <div class="accordionMenu">
                <div class="menuSection" id="event">
                    <h2><a href="#event">event</a></h2>
                    <p>Lorem    ipsum dolor sit amet...</p>
                </div>
    </div>
</body>
</html>