.to_top{position:fixed;top:0;bottom:0;left:0;width:90px;-moz-opacity:.3;filter:alpha(opacity=30);opacity:.3;display:none}.to_top .to_top_panel{width:100%;height:100%;font-size:11px;color:#4d7285;padding-top:10px}.to_top:hover{-moz-opacity:.9;filter:alpha(opacity=90);opacity:.9}.to_top:hover .to_top_panel{cursor:pointer;background:#f0f0f0}.to_top .to_top_button{text-align:left;line-height:8px;margin-left:10px;font-family:tahoma,arial,verdana,sans-serif;font-weight:bold}.to_top .to_top_button .arrow{font-size:14px;font-weight:bold;font-family:tahoma;vertical-align:middle}.to_top.mini{width:40px}.to_top.mini .to_top_panel .arrow{font-size:20px}.to_top.mini .to_top_panel .label{display:none}