How to display all sprite in all the Resolution with perfect fit to screen?

I want to display my all 7 square sprites in all resolution with perfect fit on any screen. How can I do this?

I want the same result in 16:9 aspect ratio screen but it looks like below image

You will need to use Canvas Scaler. Setting “Match Width Or Height” in the Screen Match mode and setting Match all the way to the Width side should achieve what you want.