No display open sans fonts

Hallo, I've installerà Interior for a new multilanguage site beta.lestellebludelmediterraneo.it
Without addizionale data (quickstart).

I can't properly display fonts open sans.

To check, i have create a subdomain with full demo installation, and all work correctly.

How i can solve this problem?

Many thks in avance,

Pietro

Hi there,
the font is loading from theme.css

@import ' fonts.googleapis.com/css?family=Open+Sans:400,300 ';

Please remove all other plaugins, like jsn pagebuilder or any other extensions.