?.nav li{
??? position:relative;
??? display:inline-block;
??? padding:0 16px;
??? font-size: 13px;
??? text-shadow:1px 2px 4px rgba(0,0,0,.5);
??? list-style: none outside none;
??
??}
??/*使用偽元素制作導航列表項分隔線*/
??.nav li:before{
????? content:"";
????? position:absolute;
????? top:18px;
????? left:0;
????? width:1px;
????? height:15px;
????? background:linear-gradient(to bottom,#666,#666) no-repeat;
??}
??????? /*刪除第一項和最后一項導航分隔線*/
??.nav li:first:before{
????? background:none;
??}
??.nav a,
??.nav a:hover{
??? color:#fff;
??? text-decoration: none;
??}