You can use the adjmulticol package to set margins (and also if need be the number of columns).
2014-10-14 22:54 GMT+02:00 Oliveira Eugenio <oliveireuge...@gmail.com>: > Hi guys, > > I am trying to set up an specific paragraph in a documente where the > margins has to be totally different from the rest of the document. I tried > to learn it from the old answers but I did not work. > > Can someone help me with that? I need to confess that I am a new Lyx user! > > Best regards, > > Oliveira Eugenio > >