I dont know why a button that is aligned in my design turns out to be out of phase when i publish it, it only happens on the tablet view. The two items that are having this issue are: “¡Quiero una demo!” with o “pruébalo gratis”.
Overall, I am not sure about the negative margins that you put in your divs… Maybe you can try to reset the margin left to 0 in the different divs (on the tablet as well) and align left to get a nice result.