.center_left .about_top{width:810px;height:24px;margin-top:25px;}
.center_left .about_top .about_title{width:186px;height:24px;line-height:24px;font-size:20px;font-weight:bold;color:#0F4B88;float:left;}
.center_left .about_top .about_bg{width:620px;height:8px;float:right;background-image:url('http://image.conference123.net/conference/2017/mgmtentr/mgmtentr_stripe.png');margin-top:8px;}

.center_left_text{font-size: 12px;color:#222222;line-height: 20px;margin-top: 10px;margin-bottom: 10px;}
.submissiondate_en{color:#222222;font-weight: bold;line-height: 22px;margin-top:10px;margin-bottom:10px;}
.center_left_title2{font-size: 14px;color:#222222;font-weight: bold;line-height: 20px;margin-top: 0px;width: 240px;float: left;margin-left: 20px;}
.center_left_content{font-size: 12px;color:#222222;line-height: 20px;margin-top: 10px;width:240px;float: left;margin-bottom: 15px;margin-left: 20px;}
.center_left_img2{float: left;margin-top: 8px;margin-right: 10px;margin-left:5px;}

.submissiondate_ch{color:#222222;font-weight: bold;line-height: 26px;margin-top: 10px;}

.container{width:300px;float:left;}
.center_left_text{font-size: 14px;color:#222222;line-height: 22px;margin-top: 10px;}
.center_left_content{font-size: 14px;color:#222222;line-height: 22px;margin-top: 10px;width:310px;margin-bottom: 15px;margin-left: 20px;}
.center_left_title2{font-size: 16px;color:#222222;font-weight: bold;line-height: 20px;margin-top: 10px;width: 310px;margin-left: 20px;}
.center_left_img2{float: left;margin-top: 8px;margin-right: 10px;}