<style>
	*{margin:0;padding:0;list-style:none;}
	html,body{height:100%;}
	/* 以下是CSS3样式，适合高版本浏览器 */
	.Snowflake{animation:linear spin infinite 20s;-webkit-animation:linear spin infinite 20s;-moz-animation:linear spin infinite 20s;pointer-events:none;}
	@keyframes spin{
		0% {transform:rotate(0deg);}
		100% {transform:rotate(359deg);}
	}
	@-webkit-keyframes spin{
		0% {-webkit-transform:rotate(0deg);}
		100% {-webkit-transform:rotate(359deg);}
	}
	@-moz-keyframes spin{
		0% {-moz-transform:rotate(0deg);}
		100% {-moz-transform:rotate(359deg);}
	}
#site_nav_under {
    display: none;
}
.c_ad_block, .ad_text_commentbox {
    display: none;
    margin: 0;
    padding: 0;
}
#ad_under_google {
    height: 0;
    overflow: hidden;
}
#ad_under_google a {
    display: none;
}
	</style>