/div>
          </div>
        </div>
        <div class="col-sm-3 mt-4">
          <div class="dropdown">
            <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" data-display="static" aria-haspopup="true" aria-expanded="false">
              Dropdown menu without Popper.js
            </button>
            <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
              <a class="dropdown-item" href="#">Action</a>
            