bootstrap垂直手风琴菜单效果

这是一款bootstrap垂直手风琴菜单效果。该bootstrap垂直手风琴菜单效果利用CSS 伪元素来制作一些漂亮的装饰效果，使原生的bootstrap手风琴更加漂亮。

使用方法

在页面中引入bootstrap相关文件，以及jquery和fontawesome.min.css文件。

<link href="css/bootstrap.min.css" rel="stylesheet" type="text/css">
<link href="css/fontawesome.min.css" rel="stylesheet" type="text/css">
<script src='js/jquery.min.js'></script>
<script src="js/bootstrap.min.js"></script>
                

HTML结构

该bootstrap垂直手风琴菜单效果的HTML结构如下：

<div class="container">
    <div class="row">
        <div class="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>Lorem ipsum dolor sit amet, ...</p>
                        </div>
                    </div>
                </div>
                <div class="panel panel-default">
                    <div class="panel-heading" role="tab" id="headingTwo">
                        <h4 class="panel-title">
                            <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
                                Section 2
                            </a>
                        </h4>
                    </div>
                    <div id="collapseTwo" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingTwo">
                        <div class="panel-body">
                            <p>Lorem ipsum dolor sit amet, ...</p>
                        </div>
                    </div>
                </div>
                <div class="panel panel-default">
                    <div class="panel-heading" role="tab" id="headingThree">
                        <h4 class="panel-title">
                            <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
                                Section 3
                            </a>
                        </h4>
                    </div>
                    <div id="collapseThree" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingThree">
                        <div class="panel-body">
                            <p>Lorem ipsum dolor sit amet,...</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
</div>
                

CSS样式

然后为该bootstrap垂直手风琴添加下面的CSS代理来进行效果美化。

a:hover,a:focus{
    text-decoration: none;
    outline: none;
}
#accordion .panel{
    border: none;
    border-radius: 0;
    box-shadow: none;
    margin: 0 30px 10px 30px;
    overflow: hidden;
    position: relative;
}
#accordion .panel-heading{
    padding: 0;
    border: none;
    border-radius: 0;
    position: relative;
}
#accordion .panel-title a{
    display: block;
    padding: 15px 20px;
    margin: 0;
    background: #fe7725;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    border-radius: 0;
    position: relative;
}
#accordion .panel-title a.collapsed{ 
  background: #1c2336;}
#accordion .panel-title a:before,
#accordion .panel-title a.collapsed:before{
    content: "\f068";
    font-family: fontawesome;
    width: 30px;
    height: 30px;
    line-height: 25px;
    border-radius: 50%;
    background: #fe7725;
    font-size: 14px;
    font-weight: normal;
    color: #fff;
    text-align: center;
    border: 3px solid #fff;
    position: absolute;
    top: 10px;
    right: 14px;
}
#accordion .panel-title a.collapsed:before{
    content: "\f067";
    background: #ababab;
    border: 4px solid #626262;
}
#accordion .panel-title a:after,
#accordion .panel-title a.collapsed:after{
    content: "";
    width: 17px;
    height: 7px;
    background: #fff;
    position: absolute;
    top: 22px;
    right: 0;
}
#accordion .panel-title a.collapsed:after{
    width: 19px;
    background: #ababab;
}
#accordion .panel-body{
    border-left: 3px solid #fe7725;
    border-top: none;
    background: #fff;
    font-size: 15px;
    color: #1c2336;
    line-height: 27px;
    position: relative;
}
#accordion .panel-body:before{
    content: "";
    height: 3px;
    width: 50%;
    background: #fe7725;
    position: absolute;
    bottom: 0;
    left: 0;
}