img, a img {border:0;}
	.clearfix:after {content:".";display:block;height:0;clear:both;visibility:hidden;}
	.clearfix {display:inline-block;}
	/* Hides from IE-mac \*/
	* html .clearfix {height:1%;}
	.clearfix {display:block;}
	/* End hide from IE-mac */
	.tabtab {
	width:860px;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}
	.nav, .nav li a, .hackBox {list-style:none;border:1px solid #ccc;}
	.nav {position:relative;margin:1em 0 0;border-width:0 0 1px;}
	.nav li {float:left;margin:0 .3em;}
	.nav li a {position:relative;display:block;float:left;margin:0 0 -1px;padding:0 .8em;background:#eee;color:#666;font-size:1.1em;line-height:1.8em;text-decoration:none;}
	/*- .nav li a:hover, -*/ .nav li.Selected a {border-bottom-color:#fff;background:#fff;color:#000;line-height:2em;}
	
	/*对点击下栏显示边框的代码进行美化*/
	.hackBox {display:none;padding:1em 0 0;border-width:0 1px 1px;}
	.hackBox p {margin:0 1em 1em;color:#333;font-size:1.1em;text-align:left;}
	.hackBox img {float:left;width:100px;margin:0 .8em .4em 0;}