h2{text-align: center;background: deepskyblue;padding: 3px;border-radius:5px;}
/*一段总结性说明*/
.box{
    margin: 10px 5px;
    padding: 10px;
    background: #F6FBFF;
    color: #333;
    border-left: 3px solid #3BB0DB;
    font-size: 14px;
    font-family: "微软雅黑";
}
/*错误说明*/
.error {
	margin: 10px 5px;
	padding: 10px;
	background: pink;
	color: #333;
	border-left: 3px solid red;
	font-size: 14px;
	font-family: "微软雅黑";
}
/*版权声明*/
.copyright{
    height: 14px;
    line-height: 14px;
    border-left: solid 3px #e41c1e;
    padding-left: 10px;
    color: #666;
    font-size: 14px;
}
/*隔开上下文段落的上下边框线*/
.line{
   border-top: 3px solid #aaa;
   border-bottom: 3px solid #aaa;
   padding:4px 0;
}
/* 去掉广告 */
#site_nav_under,#ad_under_post_holder,#under_post_news,#google_ad_c2,#under_post_kb{
width:0;
height:0;
display:none;
overflow:hidden;
}
code{
    border: 1px solid #EAEAEA;
    background-color: #F8F8F8;
    border-radius: 3px;
    padding: 0 4px;
    margin-left: 2px;
    margin-right: 2px;
    font-family: Consolas,monospace;
}