#yukari{display:none;text-decoration:none;position:fixed;bottom:10px;right:22px;overflow:hidden;width:55px;height:55px;border:none;text-indent:-999px;background:url(yukari.png.pagespeed.ce.hX0XS85ZPo.png) no-repeat left top}#yukariHover{background:url(yukari.png.pagespeed.ce.hX0XS85ZPo.png) no-repeat left -55px;width:55px;height:55px;display:block;overflow:hidden;float:left;opacity:0;-moz-opacity:0;filter:alpha(opacity=0)}#yukari:active,#yukari:focus{outline:none}