column on phone problem

Please help!
on my website I have 3 pictures if you scroll down. each picture is 2-3 columns with pictures going from left-right-left.

The middle one is 3 columns since I did not know how to get it out from the edge of the screen.
In the picture on the right (The middle picture), I want it too go over the text when opened on a mobile device, like the other columns. Is there anyway of doing this?

You will understand better if you enter my website on a phone.

Please help me!

Thanks