How to set margins 0 on print preview?

Question

Where am i doing wrong?

This is the normal print preview:

Answer 1

Yes. It is possible to alter your margins in a page printout. The rule would look like:

@page {
    margin: 0;
}

This will not work in Firefox as of now. If you check their developer reference on the @page CSS support, you can see what browsers do support @page.