使用方法

在页面中引入jquery和bootstrap相关文件。

<link href="css/bootstrap.min.css" rel="stylesheet">

<link href="css/font-awesome.min.css" rel="stylesheet">

<script src="js/jquery.min.js"></script>

<script src="js/bootstrap.min.js"></script>

HTML结构

该CSS3垂直手风琴的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>Lorem ipsum dolor sit amet, consectetur adipiscing elit.  </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, consectetur adipiscing elit. </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, consectetur adipiscing elit. </p>

                          </div>

                      </div>

                  </div>

              </div>

          </div>

      </div>

  </div>

CSS样式

然后通过下面的CSS3代码来对该垂直手风琴进行效果的美化。

a:hover,a:focus{

    text-decoration: none;

    outline: none;

}

#accordion:before{

    content: "";

    width: 1px;

    height: 80%;

    background: #550527;

    position: absolute;

    top: 20px;

    left: 24px;

    bottom: 20px;

}

#accordion .panel{

    border: none;

    border-radius: 0;

    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);

    margin: 0 0 12px 50px;

    position: relative;

}

#accordion .panel:before{

    content: "";

    width: 2px;

    height: 100%;

    background: linear-gradient(to bottom, #688e26 0%,#ff816a 100%);

    position: absolute;

    top: 0;

    left: -2px;

}

#accordion .panel-heading{

    padding: 0;

    background: #fff;

    position: relative;

}

#accordion .panel-heading:before{

    content: "";

    width: 15px;

    height: 15px;

    border-radius: 50px;

    background: #fff;

    border: 1px solid #550527;

    position: absolute;

    top: 50%;

    left: -48px;

    transform: translateY(-50%);

}

#accordion .panel-title a{

    display: block;

    padding: 15px 55px 15px 30px;

    font-size: 20px;

    font-weight: 600;

    color: #550527;

    border: none;

    margin: 0;

    position: relative;

}

#accordion .panel-title a:before,

#accordion .panel-title a.collapsed:before{

    content: "\f068";

    font-family: fontawesome;

    width: 25px;

    height: 25px;

    line-height: 25px;

    border-radius: 50%;

    font-size: 15px;

    font-weight: normal;

    color: #688e26;

    text-align: center;

    border: 1px solid #688e26;

    position: absolute;

    top: 50%;

    right: 25px;

    transform: translateY(-50%);

    transition: all 0.5s ease 0s;

}

#accordion .panel-title a.collapsed:before{ content: "\f067"; }

#accordion .panel-body{

    padding: 0 30px 15px;

    border: none;

    font-size: 14px;

    color: #305275;

    line-height: 28px;

}