n" id="button-addon1">
                Button
              </button>
              <input
                type="text"
                class="form-control"
                placeholder=""
                aria-label="Example text with button addon"
                aria-describedby="button-addon1"
              />
            </div>

            <div class="input-group mb-3">
              <input
                type="text"
                class="form-control"
                placeholder="Recipient's username"