Fix the stylesheet for Firefox
Fix the stylesheet for Firefox

marclaporte/WeasyPrint,andrewleech/WeasyPrint,prepare/TestWeasyPrint,Kozea/WeasyPrint,Kozea/WeasyPrint,jasco/WeasyPrint,jasco/WeasyPrint,marclaporte/WeasyPrint,prepare/TestWeasyPrint,andrewleech/WeasyPrint