Button does not give touch feedback when background is image

I am making a calculator app, but when I set the buttons to images, they do not show feedback when I click on them. I am new to the Kodular App Builder, but I have worked with Thunkable X for quite some time, so I am wondering does anybody out there know what to do with this?

Would appreciate any feedback on this.




make sure sow feedback is checked in advance property and adjust the color according to your image so that they are not same else the effect may not be observed

The image has white text and a blue background. I changed it to many colours including black, white, and then opposite colours to the photo that would stand out like red or green. I can see the very smallest feedback, but I mean, you can’t really see it unless focusing very hard on the button.