Wordpress (https) - исправить смешанный контент

Перенесли сайт с http - https, появились ошибки смешанного контента.  

Исправить ошибки типа:

1. Mixed Content: The page at 'https://www.../' was loaded over HTTPS, but requested an insecure stylesheet http://www..../wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown/style.css?ver=1'. This request has been blocked; the content must be served over HTTPS.

2. Mixed Content: The page at 'https://www..../' was loaded over HTTPS, but requested an insecure image 'http://www.../wp-content/uploads/2017/03/cloud.png'. This content should also be served over HTTPS.

Срок 1 день.