.head {background:url(../images/about_head.jpg);}
.cmenu-item .history {background-position:left -265px;height:17px;width:87px;}
.cmenu-item:hover .history,.select .history {background-position:-95px -265px;}
.cmenu-item .project {background-position:left -283px;height:17px;width:64px;}
.cmenu-item:hover .project,.select .project {background-position:-75px -283px;}
.content {padding:20px 0 20px;}
.history-item {font-size:14px;line-height:18px;}
.history-year,.history-info {padding:5px 0;}
.history-year {float:left;padding-right:40px;text-align:right;width:240px;}
.history-year,.history-date {color:#666666;font-weight:bold;}
.history-list {border-left:1px solid #cccccc;float:right;padding:0 0 20px 60px;width:619px;}