*{margin:0; padding:0;}
ul{list-style:none;}
a{text-decoration:none; color:#666;}
.wrap{max-width:840px;height:500px;margin:auto;padding:15px; letter-spacing:-0.5px;}
.tab_menu{position:relative;}
.tab_menu .list{overflow:hidden;border-left:1px solid #eee;}
.tab_menu .list li{float:left;padding:0 30px;border-right:1px solid #eee;text-align:center}
.tab_menu .list li.is_on .btn{font-weight:500; color:#0090ff;}
.tab_menu .list .btn{font-size:22px;}
.tab_menu .cont_area{margin-top:10px;}
.tab_menu .cont_area .cont{display:none; background:#555; color:#fff; text-align:center; width:250px; height:100px; line-height:100px;}