g">@</span>
              <input
                type="text"
                class="form-control"
                placeholder="Username"
                aria-label="Username"
                aria-describedby="addon-wrapping"
              />
            </div>
          </div>
        </div>

        <div class="row">
          <div class="col-md-4 mb-5">
            <h4 class="mb-4">Sizing - input group</h4>

            <div class="input-group input-group-sm mb-3">
              <span class="input-group-t