# layout.breakpoints.compact

Part of [Layout](https://kernstra.com/docs/web-sdk/config/layout) in the Kernstra Web SDK 1.0.0 configuration reference.

- Type: `number`
- Default: `900`
- Page: https://kernstra.com/docs/web-sdk/config/layout/breakpoints-compact

The container width at and below which the viewer is `compact`.

Web page: https://kernstra.com/docs/web-sdk/config/layout/breakpoints-compact