Site https:// mixed content content is blocked

I have setting the site to https and in browser console, I Recive the follow messages:

Blocked mixed content content is blocked (mixed active content) “http://fonts.googleapis.com/css?family=Actor”

Blocked mixed content content is blocked (mixed active content) “localhost:40000/file:///Users/vnt/Sites/asdf/materialize/font/material-design-icons/Material-Design-Icons.woff2”

URL risorsa: moz-extension://3031cc47-b7bb-364c-8f18-c75c73e98ba2/node_modules/webextension-polyfill/dist/browser-polyfill.js
URL mapping di origine: browser-polyfill.js.map

The use of getPreventDefault() is depercate. You can use defaultPrevented.
dynamic.0399.js:1:40351
Caricamento non riuscito per lo con sorgente “js-agent.newrelic.com/nr-1044.min.js”.

@vnt Is this a wordpress site? If it is try using really simple SSL plugin (Wordpress Repository link). I just install fit today on one of my sites and any issues I had were resolved.

It is a static site (html + modernizer)