Keep getting this message at the console of my Chrome browser.

Mixed Content: The page at 'https://*****.ru/' was loaded over HTTPS, but requested an insecure image 'http://*****.ru/core/image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==...