.help-edit-history-popover .list{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;padding:8px 0;max-height:400px;overflow-x:hidden;overflow:overlay}.help-edit-history-popover .list .item{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;height:40px;padding:0 16px;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-negative:0;flex-shrink:0}.help-edit-history-popover .list .item .tool-tip{width:0;-webkit-box-flex:1;-ms-flex:1;flex:1}.help-edit-history-popover .list .item:hover{background-color:rgba(32,32,32,.04)}.help-edit-history-popover .list .item:hover .btn{visibility:visible}.help-edit-history-popover .list .item:active{background-color:rgba(32,32,32,.08)}.help-edit-history-popover .list .btn{visibility:hidden}.help-edit-history-popover .list .loading-box{height:32px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.help-edit-history-popover .list .loading-box i{margin-right:8px;font-size:14px}.help-edit-history-box{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;height:54px;background-color:rgba(32,32,32,.04);padding:0 21px;font-size:14px}.help-edit-history-box .tip{color:rgba(32,32,32,.6);font-weight:400}.help-edit-history-box .btn{text-decoration:underline;margin-left:20px}