这是一款jquery和CSS3半透明垂直Accordion特效。该Accordion基于bootstrap手风琴插件，通过简单的CSS样式，来对其进行美化。

下面是该布局的一些图片效果：

使用方法

在页面中引入下面的文件。

<link rel="stylesheet" href="http://jrain.oscitas.netdna-cdn.com/tutorial/css/fontawesome-all.min.css">
<link href="https://cdn.bootcss.com/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<script src="js/jquery.min.js" type="text/javascript"></script>
<script src="https://cdn.bootcss.com/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
                

HTML结构

<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>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>
</div>
                

CSS样式

a:hover,a:focus{
        text-decoration: none;
        outline: none;
    }
    #accordion .panel{
        border: none;
        border-radius: 5px;
        box-shadow: none;
        margin-bottom: 10px;
        background: transparent;
    }
    #accordion .panel-heading{
        padding: 0;
        border: none;
        border-radius: 5px;
        background: transparent;
        position: relative;
    }
    #accordion .panel-title a{
        display: block;
        padding: 20px 30px;
        margin: 0;
        background: rgba(0,0,0,0.4);
        font-size: 17px;
        font-weight: bold;
        color: #fff;
        text-transform: uppercase;
        letter-spacing: 1px;
        border: none;
        border-radius: 5px;
        position: relative;
    }
    #accordion .panel-title a.collapsed{ border: none; }
    #accordion .panel-title a:before,
    #accordion .panel-title a.collapsed:before{
        content: "\f107";
        font-family: "Font Awesome 5 Free";
        width: 30px;
        height: 30px;
        line-height: 27px;
        text-align: center;
        font-size: 25px;
        font-weight: 900;
        color: #fff;
        position: absolute;
        top: 15px;
        right: 30px;
        transform: rotate(180deg);
        transition: all .4s cubic-bezier(0.080, 1.090, 0.320, 1.275);
    }
    #accordion .panel-title a.collapsed:before{
        color: rgba(255,255,255,0.5);
        transform: rotate(0deg);
    }
    #accordion .panel-body{
        padding: 20px 30px;
        background: rgba(0,0,0,0.1);
        font-size: 15px;
        color: #fff;
        line-height: 28px;
        letter-spacing: 1px;
        border-top: none;
        border-radius: 5px;
    }
                

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