.navtwo { border-bottom: 2px solid #ebebeb; margin-bottom: 15px; overflow: hidden; padding: 5px 0; width: 100%; }

.navtwo div.navm a { color: #565656; display: inline-block; float: left; font-family: "微软雅黑"; font-size: 14px; line-height: 30px; margin-right: 15px; padding: 0 15px; text-align: center; text-decoration: none; }
.navtwo div.navm { margin:0 auto;}
.navtwo div.navm a.on { background: #00aa5f; color: #fff; }