The size of the page. The page has its height and width. There is no possibility of enlarging the page by a margin in print. (A function known from DTP, as in Scribus, for example).
User Profile Reset: No
User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0
*** This bug has been marked as a duplicate of bug 103396 ***