.content{width: 1000px;background: #036;}
.content p,.content h4{color: white;line-height: 24px;}
.content p{text-indent: 2em;}

.img1{width: 227px;height: 170px;}
.br1{ border: #FFF 2px solid;}

.middle{margin: 0 auto;}
.left{float: left;}
.ml10{margin-left: 10px;}
.mt10{margin-top: 10px;}
.mt20{margin-top: 20px;}
.mt30{margin-top: 30px;}
.ml80{margin-left: 80px;}
.ml30{margin-left: 30px;}
.pb10{padding-bottom: 10px;}
.w686{width: 686px;}
.w700{width: 700px;}
.w670{width: 670px;}