oup">
              <span class="input-group-text">First and last name</span>
              <input type="text" aria-label="First name" class="form-control" />
              <input type="text" aria-label="Last name" class="form-control" />
            </div>
          </div>
        </div>

        <div class="row">
          <div class="col-md-12 mb-5">
            <h4 class="mb-4">Checkboxes and radios</h4>

            <div class="input-group mb-3">
              <div class="input-group-text">
           