#nav_3{background-image:url('http://image.conference123.net/conference/2017/eduinnov/nav_list_bg2.png');}
#img_1_3{display:none;}
#img_0_3{display:block;}
#word_3{color:#FFFFFF;}
.sub_fw {width:830px;min-height:240px;margin-top:15px;}
.sub_top {width:830px;height:6px;background-image:url('http://image.conference123.net/conference/2017/eduinnov/bg_top.jpg');}
.sub_bottom {width:830px;height:6px;background-image:url('http://image.conference123.net/conference/2017/eduinnov/bg_bottom.jpg');}
.sub_content {width:798px;min-height:210px;background-color:#FAFAFA;border-left:1px solid #DDDDDD;border-right:1px solid #DDDDDD;padding:15px;line-height:26px;}