This is false. Academic reports have 1 inch margins.
As far as I remember a coordinated collection of fonts,colors,and other visual effects is called theme. Theme is needed to make the user interface friendlier to the end user. In the document it is just a set of colors and fonts, making it look better.
Virtual
Explanation: Because it is easy to remove from a VM because it is like a viries.
The right way that goes left