.top_btn{display:none}.top_btn .top_btn_panel{display:none}.top_btn{border-radius:5px;bottom:30px;display:none;height:30px;position:fixed;right:15px;width:70px;z-index:999}.top_btn .top_btn_panel{display:block;font-size:11px;height:100%;position:relative;width:100%}.top_btn:hover{-moz-opacity:.9;opacity:.9;cursor:pointer}.top_btn .top_btn_button{font-family:tahoma,arial,verdana,sans-serif;font-weight:700;line-height:8px;text-align:left}.top_btn .top_btn_button .arrow{background-position:0 0;display:block;height:20px;padding-left:0;width:70px;background-repeat:no-repeat}.top_btn .top_btn_button .arrow.up{background-position:28px 9px}.top_btn .top_btn_panel .label{display:block;text-align:center;width:70px;color:#fff;font-size:100%!important}.top_btn .top_btn_button .arrow{background-image:url(https://primamedia.ru/action/core/media/img/sprite_icon.png)}.top_btn{background:rgba(0,0,0,.23) none repeat scroll 0 0}.top_btn:hover{cursor:pointer;opacity:.9}