Done. Actually, vertsms now has a config file located at ~/.config/vertsms/config.

Change x_padding and y_padding accordingly.

There isn't much error checking(yet)oj becuase I just through this together real quick, so config will have to be made before running.

When I have more time, I'll add a system config file with sane defaults, and then eventually write a gui for these and any future options to come.

The screenshots show 0 padding, 5 padding, and just to demonstrate the flexibility, 10 for x and 0 for y: