.divWidth{ width:100%; clear:both;}
.divWidth img{ width:100%; clear:both;}
.main2{
	line-height: 40px;
	width: 851px;
	font-size: 18px;
	margin: 0 auto;
	padding: 10px;
	text-align: left;
	text-indent : 20px; /*距离css缩进*/
	letter-spacing:1px;/*字体间距c*/
}

.main3{ text-align:center;}

.main4{ text-align:center;}

.main4 span{ float:left; margin-left:50px; margin-bottom:20px;}

.main5{ padding:5px; margin-bottom:50px; clear:both; overflow:hidden;}
.main5 img{ width:85%;}
.main5 img{ float:left; margin-left:50px; }