              <div class="card-header">
                <h3 class="card-title">Radio Button Group</h3>
              </div>
              <div class="card-body table-responsive pad">
                <p class="mb-1">Radio Button Group with <code>.btn-secondary</code></p>
                <div class="btn-group btn-group-toggle" data-toggle="buttons">
                  <label class="btn btn-secondary active">
                    <input type="radio" name="options" id="option_a1" autocomplete="off" checked> Activ