title: How can I make these panels fluid with 100% height without giving fixed height
body: <p>I am trying to make these panels take full length of container they are in, without providing fixed height, initially I want them to take all of the height of the page,</p>
  
  <p>Fiddle - <a href="https://jsfiddle.net/0fgnu99o/10/">https://jsfiddle.net/0fgnu99o/10/</a></p>
  
  <p>HTML</p>
  
  <pre><code>&lt;div class="container"&gt;
    &lt;div class="row"&gt;
      &lt;div class="column"&gt;
        &lt;h3 style="display: inline-block;"&gt;{{vm.Title}}&lt;/h3&gt;
        &lt;h4 class="pull-right" style="margin-top: 20px;"&gt;Back&lt;/h4&gt;
      &lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="row"&gt;
      &lt;div class="panel-group" id="accordion"&gt;
        &lt;div class="panel panel-default" id="panel1"&gt;
          &lt;div class="panel-heading" data-toggle="collapse" data-target="#collapseOne"&gt;
            &lt;h4 class="panel-title"&gt;Panel 1&lt;/h4&gt;
  
          &lt;/div&gt;
          &lt;div id="collapseOne" data-parent="#accordion" class="panel-collapse collapse in"&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
            &lt;li class="list-group-item"&gt;Panel 1&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
  
          &lt;/div&gt;
        &lt;/div&gt;
        &lt;div class="panel panel-default" id="panel2"&gt;
          &lt;div class="panel-heading" data-toggle="collapse" data-target="#collapseTwo"&gt;
            &lt;h4 class="panel-title"&gt;Panel 2&lt;/h4&gt;
  
          &lt;/div&gt;
          &lt;div id="collapseTwo" data-parent="#accordion" class="panel-collapse collapse"&gt;
            &lt;div class="panel-body"&gt;
              &lt;ul class="list-group"&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
                &lt;li class="list-group-item"&gt;Panel 2&lt;i class="pull-right"&gt;Delete&lt;/i&gt;&lt;/li&gt;
              &lt;/ul&gt;
            &lt;/div&gt;
          &lt;/div&gt;
        &lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>CSS</p>
  
  <pre><code>.panel-heading a:after {
    font-family: 'Glyphicons Halflings';
    content: "\e114";
    float: right;
  }
  
  .panel-heading a.collapsed:after {
    content: "\e080";
  }
  
  #collapseOne,
  #collapseTwo {
    height: 200px;
    max-height: 200px;
    overflow-y: auto;
  }
  </code></pre>
  
  <p>I don't want to provide this,</p>
  
  <pre><code>height: 200px;
    max-height: 200px;
  </code></pre>