.ab_contant{ background:url(/about/images/ab_con_bg.gif) repeat-x #F9FCFF; margin-top:8px; height:640px; min-height:640px;}
.ab_contant .ab_title{ color:#313131; font-weight:bold; font-size:14px;}
.ab_contant .ab_con_margin{ line-height:22px; background:url(/about/images/ab_title_bg.gif) no-repeat ; padding-left:30px; padding-right:20px;}
.ab_contant .ab_con_left{ background:url(/about/images/ab_con_leftimg.jpg) no-repeat #F9FCFF; width:182px; height:500px; float:left; padding-top:10px;}
.ab_contant .con_font{ line-height:24px; margin-bottom:18px; padding-left:20px;}
.ab_contant .con_font span{ color:#1F90C7; font-weight:bold;}
.ab_contant .ab_con_left a{ display:block; height:24px; margin-top:-1px; color:#697A8C; font-weight:bold; text-align:right; padding-top:12px; padding-right:10px; background:url(/about/images/ab_left_menu_bgline.gif) bottom no-repeat; font-size:14px;}
.ab_contant .ab_con_left a:hover{ background:url(/about/images/ab_left_menu_bgimg.jpg) no-repeat right; color:#548057; font-weight:bold;}

#demo{border:1px solid;}
#demo td{ padding:0px 5px;}
#demo td img{margin:5px; border:4px solid #E3F0F3;}