html{-ms-overflow-style:scrollbar;}.brn_wrapper{position:relative;overflow:hidden;}.brn_scroller{height:100%;overflow-y:auto;}.brn_scroller::-webkit-scrollbar{width:0;}.brn_scroller__bar{position:absolute;z-index:1;right:8px;width:8px;min-height:50px;border-radius:3px;background:#999;opacity:0;filter:alpha(opacity=0) -webkit-transition:opacity .4s linear;transition:opacity .4s linear;}.brn_scroller__bar:hover{opacity:.8;filter:alpha(opacity=80);}.brn_scroller:hover .brn_scroller__bar_state_on{opacity:.6;filter:alpha(opacity=60);}.brn_container{overflow:hidden;}.brn_header{height:36px;}.brn_header__title{width:100%;height:36px;margin:0;-moz-box-sizing:border-box;box-sizing:border-box;background:#999;}.brn_header__title_state_fixed{position:absolute;z-index:1;}