.f-flex{display: flex;}
.f-flex-1{flex: 1;}
.f-w80{width: 80px;}
.f-li li{float: left;width:56px;margin: 0 8px 8px 0;text-align: center;}
.f-pd10{padding: 10px;}
.f-on{background: #ff6600;color: #FFF;}