Menu styling – WPML flags

Hello.
I’m trying to align right the language flags (WPML) which are in the main navigation menu.
I trying to edit the CSS of .menu-item-language img.iclflag , but I’m not able to do.
This is the site
I know tihs is not the WPML plugin support, but maybe you can easily help me…
If not, no problem, thanks anyway.
Bye