I used Manuel setting and ISO to make the background white.What worked was that I a scroll bar of something like that to make the white background whiter. What didn’t work was that if you were to close to the background you could see the shadow.
This picture was taken by Liza
this is a picture that I took of my Friends.
https://photos.app.goo.gl/cUE5duVPFiPKN81O2