#zatemnenie a img {
opacity : 0.100000001490116119384765625;
}
#zatemnenie a:hover img {
opacity : 1;
}

.b-top {z-index:2600;position:fixed;left:0;bottom:60px;width:34%;margin-left:55%;opacity: 0.5;filter:alpha(opacity=50);}
.b-top:hover {opacity:1;filter:alpha(opacity=100);cursor:pointer;}
.b-top-but {z-index:2600;position:absolute;display:block;left:56px;bottom:0;margin:0 0 0 100%;padding:32px 12px 4px;
color:white;background:#000 url(http://alaev.info/wp-content/plugins/goupbutt/b-j-top.png) no-repeat 50% 11px;border-radius:7px;}

/* Плавное появления текста */
#example .new {
opacity : 0;
}
#example .div_opacity {
transition : opacity 0.2s ease-in-out;
opacity : 1;
}