a#vverh.up{height:39px;filter:alpha(opacity=0);transition:opacity .3s;-webkit-transition:opacity .3s;-moz-transition:opacity .3s;-o-transition:opacity .3s;position:absolute;opacity:0;-moz-opacity:0;bottom:-10000px;background:url(/bitrix/css/concept.sitefeatures/up.png) 50% no-repeat;left:-10000px;width:113px;display:inline-block;z-index:1000}a#vverh.up.on{filter:alpha(opacity=80);filter:alpha(opacity=100);right:20px;position:fixed;opacity:.8;-moz-opacity:.8;opacity:1;-moz-opacity:1;bottom:20px;left:auto}