### Limitations
* You can not click through the transparent area. We are going to introduce an
- API to set window shape to solve this, but currently blocked at an
- [upstream bug](https://code.google.com/p/chromium/issues/detail?id=387234).
+ API to set window shape to solve this, see [our issue](https://github.com/atom/electron/issues/1335) for details.
* Transparent windows are not resizable. Setting `resizable` to `true` may make
a transparent window stop working on some platforms.
* The `blur` filter only applies to the web page, so there is no way to apply