#main_left{width: 245px;float: left;margin: 5px;}
#mainright{width: 800px;float: right;margin: 5px 0 0 5px;}
#tonglan1,#tonglan3{width:85%;overflow:hidden;margin:0 auto;}
.lb_main_bo1{background: url(leiboresourcecms201612leibo_bg_repeat2.jpg) repeat-y left top;max-width: 1450px;margin: 0 auto;background-size: 100%;overflow: hidden;}
.lb_main_body1{background:url(leiboresourcecms201611leibo_bg3.jpg) no-repeat left top;max-width: 1450px;margin: 0 auto;background-size: 100%;overflow: hidden;}