.background{width:100%;  background-color:Green; position:absolute; z-index:-2; height:280px; margin-top:15px;}

#hbsh{text-align:center; font-size:24px;border-bottom:1px solid #c1c3c2; font-weight:bold; letter-spacing:4px; padding:10px;}
.img1{ width:40%; float: right; margin-top:15px; margin-right:5%; vertical-align:middle}

#jianjie{line-height:30px;margin-top:15px; color:White; }
#jianjie .content{  margin-left:5%; margin-right:5%;padding-top:40px; color:Black;}
#jianjie .jianjietitle{background-color:Green;}

#weixiu{margin-left:5%; margin-right:5%; padding-top:15px; line-height:30px;}

#fazhan{ font-size:28px;border-top:1px solid orange; font-weight:bold; letter-spacing:4px;}