>In my Word documents, I use to have a spacing between each page. Now, this is gone as only a one pixel black line is the divider. How can I have the spacing back?
You probably selected "View | Normal", or the equivalent button in the bottom left corner of the screen. Select one of the other options under the "View" menu, to change the view. I think the usually-preferred option would be something like "Print layout" in English.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
