jupyterlab/packages/imageviewer/style/index.css

/*-----------------------------------------------------------------------------
| Copyright (c) Jupyter Development Team.
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/


.jp-ImageViewer {
  overflow: auto;
}
.jp-ImageViewer > div {
  transform-origin: top left;
}

.jp-ImageViewer img {
  max-width: 100%;
  max-height: 100%;
  margin: auto;
}