http vs. https style sheet error

We’re having a problem with a link within a Mojo Carousel (1.2.0) plugin failing to link to the linked page on a Chrome browser (works fine on Safari and Firefox). We see an error with a call to an insecure (http) stylesheet when calling for fonts. Not sure if this is an issue with the Mojo Carousel or the Easy Google Fonts plugin? Here’s the error:

Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Noto+Sans’. This request has been blocked; the content must be served over HTTPS.
(index):1 Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Montserrat’. This request has been blocked; the content must be served over HTTPS.
(index):2695 Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Noto+Sans’. This request has been blocked; the content must be served over HTTPS.
(index):2695 Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Montserrat’. This request has been blocked; the content must be served over HTTPS.
(index):1 Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Noto+Sans’. This request has been blocked; the content must be served over HTTPS.
(index):1 Mixed Content: The page at ‘https://www.trial-partners.com/’ was loaded over HTTPS, but requested an insecure stylesheet ‘https://fonts.googleapis.com/css?family=Montserrat’. This request has been blocked; the content must be served over HTTPS.

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