.demo-split{height:400px;border:1px solid #dcdee2}.demo-split-pane{padding:10px}.img-box{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;padding-top:15px}.expand-row{margin-bottom:6px}.expand-key{font-weight:700;line-height:25px}