本文分享了纯css实现的手风琴，喜欢的朋友可以看看
源码CSS部分.accordionMenu {
width: 500px;
margin: 0 auto;
padding: 10px;
background-size: #fff;
color: #424242;
font: 12px Arial, Verdana, sans-serif;
}
.accordionMenu h2 {
position: relative;
margin: 5px 0;
padding: 0;
}
.accordionMenu h2:before { /*制作向下三角效果*/
position: absolute;
top: 15px;
right: 10px;
width: 0;
height: 0;
border: 5px solid #fff;
border-color: #fff transparent transparent;
content: "";
}
.accordionMenu h2 a { /*制作手风琴标题栏效果*/
background: #8f8f8f;
background: -moz-linear-gradient(top, #cecece, #8f8f8f);
background: -webkit-gradinet(linear, left top,left bottom, from(#cecece),to(#8f8f8f));
background: -webkit-linear-gradient(top, #cecece
