Opera icon in Linux Mint Cinamon

[pindos]

pindos last edited by

Hello. I'm using Linux Mint 18.3 (x86_64; X-Cinnamon). Is there any way to change Opera icon in Menu and panel standard view? I can change it for shortcut on desktop, but not for item in Main menu. Now icon looks like white O in a red square. I like to use simple red O with transparent background.
When i try to change it in menu editor it doesn't save any changes. I even change size of icon. There is no effect. Linux Mint menu uses it's own icon. I can't understand where it takes it from.