ass="alert-danger">Has validation errors!</div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </form><br>
            <h3>Browser support</h3>
            <p>At the moment of writing, Internet Explorer and Edge doesn't support the <code>:valid</code> pseudoclass on the <code>form</code> tag. You can use the classes <code>form-valid-supported</code> and <code>form-valid-unsupported</code> to show or hide an element bas