.top .nav .reviewers .nav_bg{background-color:#F9B04F;}
.center_left .about_top{width:810px;height:24px;margin-top:25px;}
.center_left .about_top .about_title{height:24px;line-height:24px;font-size:20px;font-weight:bold;color:#0F4B88;float:left;}
.center_left .about_top .about_bg{width:700px;height:8px;float:right;background-image:url('http://image.conference123.net/conference/2017/icsspp/icsspp_stripe.png');margin-top:8px;}

.center_left_text{font-size: 12px;color:#222222;line-height: 20px;margin-top: 10px;margin-bottom: 10px;}