accordioncss中注意下:target和transition部分就大致清楚了.代码中css的prefix为了简明只用了-moz-:target定位的元素对应于浏览器url最后的#xxx,xxx是元素的id,我们通过点击标题链接实现切换功能。以下是jsfiddle中得实际效果（firefox浏览或者修改css前缀）
<div class="accordion"> <div class="item"> <h3 class="title round"> <a href="#one">title one</a> </h3> <div id="one" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> <div class="item"> <h3 class="title round"> <a href="#two">title two</a> </h3> <div id="two" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> <div class="item"> <h3 class="title round"> <a href="#three">title three</a> </h3> <div id="three" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> </div><div class="accordion"> <div class="item"> <h3 class="title round"> <a href="#one">title one</a> </h3> <div id="one" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> <div class="item"> <h3 class="title round"> <a href="#two">title two</a> </h3> <div id="two" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> <div class="item"> <h3 class="title round"> <a href="#three">title three</a> </h3> <div id="three" class="content round"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in </p> </div> </div> </div>
css:
.round {
border-radius: 5px;
}
.accordion {
width: 500px;
box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
padding: 5px;
border: 5px solid rgba(54,54,54,0.3);
position: absolute;
top: 20px;
left: 50px;
}
.accordion .item {
margin-bottom: 5px;
}
.accordion .item:last-child {
margin-bottom: 0;
}
.accordion .title {
background:-moz-linear-gradient(top, #eee, #dcdcdc, #dcdcdc, #dcdcdc);
}
.accordion .title > a{
height: 30px;
display:block;
line-height: 30px;
padding-left: 10px;
font-size: 15px;
color: #585858;
text-shadow: 1px 1px 1px #fff;
font-weight: bold;
text-decoration:none;
}
.accordion .title+.content {
height: 0;
padding: 0;
opacity: 0;
border: 1px solid #eee;
overflow-y: auto;
-moz-transition: all 0.2s linear;
}
.accordion .title+.content:target {
opacity: 1;
padding: 5px;
height: auto;
margin: 5px auto;
}
.accordion .content p {
margin-bottom: 5px;
color: #585858;
text-shadow: 0 1px 1px #dcdcdc;
}
accordion
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