I think, it’s dangerous to discuss Opera Product in Vivaldi Community, but once…
(There is already one idea for Vivaldi, on Flimwer Identity Section 0.5/4.0)

Font : Roboto, Streetvertising
Tool : sK1 2.0 RC2.1
File : https://www.dropbox.com/s/qq9bekxrexkwkb8/Coast%20System.sk2?dl=0