="fa fa-openid"></i>
                                </button>

                                <button type="button" class="btn btn-lg social stack-overflow" style="margin-bottom: 4px">
                                    <i class="fa fa-stack-overflow"></i>
                                </button>

                                <button type="button" class="btn btn-lg social css3" style="margin-bottom: 4px">
                                    <i class="fa fa-css3"></i>
                                <