基于Bootstrap的垂直手风琴动画特效

这是一款基于Bootstrap的垂直手风琴特效。该垂直手风琴特效基于原生的Bootstrap Accordion组件来制作，通过CSS3来对它进行美化，效果美观大方。

使用方法

HTML结构

该垂直手风琴特效的基本HTML结构如下：

<div class="container">
 <div class="row">
 <div class="col-md-offset-3 col-md-6">
 <div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
 <div class="panel panel-default">
 <div class="panel-heading" role="tab" id="headingOne">
 <h4 class="panel-title">
 <a role="button" data-toggle="collapse" data-parent="#accordion"
 href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
 SECTION 1
 </a>
 </h4>
 </div>
 <div id="collapseOne" class="panel-collapse collapse in" role="tabpanel"
 aria-labelledby="headingOne">
 <div class="panel-body">
 <p>......</p>
 </div>
 </div>
 </div>
 ......
 </div>
 </div>
 </div>
 </div>

CSS样式

该垂直手风琴特效的美化CSS样式如下：

a:hover,a:focus{
 text-decoration: none;
 outline: none;
}
#accordion .panel{
 border: none;
 box-shadow: none;
 border-radius: 0;
 margin-bottom: -5px;
}
#accordion .panel-heading{
 padding: 0;
 border-radius: 0;
 border: none;
 text-align: center;
}
#accordion .panel-title a{
 display: block;
 padding: 25px 30px;
 font-size: 16px;
 font-weight: bold;
 color: #fff;
 background: #333;
 border-bottom: 1px solid #4a4a4a;
 position: relative;
 transition: all 0.5s ease 0s;
}
#accordion .panel-title a:hover{
 background: #4a4a4a;
}
#accordion .panel-title a:after,
#accordion .panel-title a.collapsed:after{
 content: "\f067";
 font-family: FontAwesome;
 font-size: 15px;
 font-weight: 200;
 position: absolute;
 top: 25px;
 left: 15px;
 transform: rotate(135deg);
 transition: all 0.5s ease 0s;
}
#accordion .panel-title a.collapsed:after{
 transform: rotate(0deg);
}
#accordion .panel-body{
 background: #167ea0;
 padding: 0 0 0 40px;
 border: none;
 position: relative;
}
#accordion .panel-body p{
 font-size: 14px;
 color: #fff;
 line-height: 25px;
 background: #3296b7;
 padding: 30px;
 margin: 0;
}
#accordion .panel-collapse .panel-body p{
 opacity: 0;
 transform: scale(0.9);
 transition: all 0.5s ease-in-out 0s;
}
#accordion .panel-collapse.in .panel-body p{
 opacity: 1;
 transform: scale(1);
}