title: How can i add CSS style file switcher in onepage website?
body: <p>I have created a onepage portfolio website. Now its have 2 main <code>stylesheet</code>.One is default(green) and another one is red. Now i want to make two <code>button</code> where people can switch <code>stylesheet</code> each other without page loading.</p>
  
  <p>You can check demo site <strong><a href="http://boosign.alexwerst.com" rel="nofollow noreferrer">here.</a></strong> I want same thing in my website.</p>
  
  <p>I have used below code.It design perfectly but when i click on <code>icon</code> its not expand same as demo site.Here is my code:</p>
  
  <p><strong>HTML(markup):</strong></p>
  
  <pre><code>&lt;div class="theme-settings"&gt;
      &lt;a href="javascript:;" data-click="theme-settings-expand" class="theme-collapse-btn"&gt;&lt;i class="fa fa-cog fa-spin"&gt;&lt;/i&gt;&lt;/a&gt;
      &lt;div class="theme-settings-content"&gt;
          &lt;ul class="theme-list clearfix"&gt;
              &lt;li class="active"&gt;&lt;a href="javascript:;" class="bg-green" data-theme="default"&gt;&lt;/a&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="javascript:;" class="bg-red" data-theme="red"&gt;&lt;/a&gt;&lt;/li&gt;
          &lt;/ul&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p><strong>CSS(code for button):</strong></p>
  
  <pre><code>.theme-settings .theme-collapse-btn {
      position: absolute;
      right: -50px;
      top: 50%;
      margin-top: -25px;
      width: 50px;
      height: 50px;
      line-height: 50px;
      font-size: 30px;
      color: #000;
      background: #fff;
      background: rgba(255, 255, 255, .9);
      border-radius: 0 4px 4px 0;
      text-align: center;
      box-shadow: 0 0 2px rgba(0, 0, 0, .4);
      -webkit-box-shadow: 0 0 2px rgba(0, 0, 0, .4);
      -moz-box-shadow: 0 0 2px rgba(0, 0, 0, .4)
  }
  .theme-settings {
      position: fixed;
      left: -180px;
      top: 200px;
      z-index: 1020;
      box-shadow: 0 0 2px rgba(0, 0, 0, .4);
      -webkit-box-shadow: 0 0 2px rgba(0, 0, 0, .4);
      -moz-box-shadow: 0 0 2px rgba(0, 0, 0, .4);
      width: 180px;
      -webkit-transition: left .2s linear;
      transition: left .2s linear
  }
  .theme-settings .theme-settings-content {
      padding: 10px 5px;
      background: #fff;
      position: relative;
      z-index: 1020
  }
  .theme-settings .theme-list {
      list-style-type: none;
      margin: 0;
      padding: 0
  }
  .theme-settings .theme-list &gt; li {
      float: left
  }
  .theme-settings .theme-list &gt; li + li {
      margin-left: 5px
  }
  .theme-settings .theme-list &gt; li &gt; a {
      width: 30px;
      height: 30px;
      border-radius: 3px;
      display: block;
      -webkit-transition: all .2s linear;
      transition: all .2s linear;
      position: relative
  }
  .theme-settings .theme-list &gt; li.active &gt; a:before {
      content: '\f00c';
      font-family: FontAwesome;
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
      font-size: 14px;
      color: #fff;
      opacity: .4;
      filter: alpha(opacity=40);
      line-height: 30px;
      text-align: center
  }
  .theme-settings.active {
      left: 0
  }
  .bg-red {
      background: #d93240!important
  }
  .bg-green {
      background: #5bb12f!important
  }
  </code></pre>
  
  <p>How can i solve this problem? Or can any one tell me any free plugin for this work. Thanks in advance. </p>