.page-video-stream{margin-top:10px}.page-video-stream__header{margin-bottom:10px;margin-top:5px}.page-video{display:-webkit-box;display:-ms-flexbox;display:flex;height:100%}.page-video__tree{background:#fff;border-right:1px solid #ddd;position:relative;min-width:250px;padding:5px}.page-video__main{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:hidden;min-width:1000px}