  </a>
                        <a class="btn btn-white btn-bitbucket">
                            <i class="fa fa-star"></i> 收藏
                        </a>
                    </p>

                    <h3 class="font-bold">按钮切换</h3>
                    <button data-toggle="button" class="btn btn-primary btn-outline" type="button">按钮1</button>
                    <button data-toggle="button" class="btn btn-primary" type="button">按钮2</button>
                    <div data-toggl