.nav_mid_left?li?{
????float:?left;
????list-style-type:?none;
????width:?100px;
????text-align:?center;
????line-height:?40px;
}
.nav_mid_left?a:link,.nav_mid_left?a:visited{
????text-decoration:?none;
????color:?white;
????font-size:?16px;
????font-family:?'微軟雅黑';
}