.backToTop{bottom: 0px!important;bottom: auto;position:fixed;_position:absolute;width:30px;height:31px;background: url(top.gif) no-repeat 0 0;cursor: pointer;z-index:1990;bottom:0;display:none;}
.backToTop:hover{background-position: 0 -43px;
	-webkit-transition:background 0.2s ease 0s;
	-moz-transition:background 0.2s ease 0s;
	-o-transition:background 0.2s ease 0s;
	-ms-transition:background 0.2s ease 0s;
	transition:background 0.2s ease 0s;}

/*与特效无关CSS*/
#n{margin:10px auto; width:920px; border:1px solid #CCC;font-size:12px; line-height:30px;}
#n a{ padding:0 4px; color:#333}