.content{width: 950px;background-color:#E7E7E9;}
.content p{line-height: 28px;font-size: 14px;text-indent: 2em;}
.content h4{line-height: 28px;font-size: 14px;}
.content h5{line-height: 28px;font-size: 14px;}
.content table tr{line-height: 24px;}

.bg1{background:url(3.jpg) no-repeat; width:429px;height: 314px;}

.br1{border-bottom: 2px #000000 solid;}
.br2{border-bottom: 1px #000000 solid;}

.middle{margin: 0 auto;}
.left{float: left;}
.ml5{margin-left: 5px;}
.ml10{margin-left: 10px;}
.ml20{margin-left: 20px;}
.mt10{margin-top: 10px;}
.mt20{margin-top: 20px;}
.mt5{margin-top: 5px;}
.mt10{margin-top: 10px;}
.mt15{margin-top: 15px;}
.mt50{margin-top: 50px;}
.ml25{margin-left: 25px;}
.w452{width: 452px;}
.w415{width: 415px;}
.w500{width: 500px;}
.w450{width: 450px;}
.w530{width: 530px;}
.w100{width: 100px;}
.w150{width: 150px;}
.w115{width: 115px;}
.w410{width: 410px;}
.w130{width: 130px;}
.w120{width: 120px;}