.edit-history-header{width:100%;height:34px}.edit-history-header>div>button{height:34px}.edit-history-header>div.f_left{margin-right:10px;float:left}.edit-history-header>div.f_right{margin-left:10px;float:right}.edit-history-header>div.f_right>label{margin-top:10px}.edit-history-content{position:absolute;left:0;right:0;bottom:40px;top:0}