span>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col-lg-4 col-sm-4 col-12">
            <div class="form-group">
              <label for="input-group">Input Groups</label>
              <div class="input-group">
                <input type="text" id="input-group" class="form-control demo" value="#ff0000"/>
                <span class="input-group-btn">
                  <button class="btn btn-default" type="button">Button</button>
                </sp