body:before{
   content:"";
   width:100%;
   position:fixed;
   height:8px;
   top:-8px;
   box-shadow:1px 1px 5px rgba(0,0,0,.5);
}
body{font:normal 14px "Microsoft YaHei";}
::selection{
background:#009900;
color:#fff;
}
.postBody p,.postCon  p{
	line-height: 2em;
}