Browser Security Risk Issues Being Generated

I use Homestead SiteBuilder Desktop.  Since the Google security upgrade a few years ago....... all our site pages show us to be security risk.  I finally sat down and figured out how to view them through "inspect". It appears the issues are generated from teh underlying and embedded css of the site. As an example, homestead fonts and shapes are not HTTPS they are still HTTP.  Why is this and is it something I need to address on my end?



A 2nd set of issues arises with galleries, scrollers, etc..... These too are unsecured as pointed out here. HTTP from Homestead



Thanks
Pete