*{margin: 0;padding: 0}
.title{text-align:center;height: 70px;margin: 0 auto;font-size: 26px;color: red;margin-top: 100px;font-weight: bold;}
.bs{width: 200px;margin: 0 auto;}
.bs span{display: inline-block;width: 60px;background-color: #708098;color: #fff;height: 30px;line-height: 30px;text-align: center;margin-left: 33px;border-radius: 5px;cursor: pointer; font-family: '微软雅黑';}