Are there any specifications for the picture?

Yes. For your visa application, the passport photo / profile photo must meet the following requirements:

• The background must be white (or very light).

• The photo should be clear and well-lit.

• Please wear a shirt or top (no bare shoulders).

• Do not stand too far away atau too close to the camera.

• Your face must be fully visible and looking straight at the camera.

You can also take the photo as a selfie with your smartphone:
Just stand in front of a light-colored background and look straight into the camera.