Issues with HTTPS and green padlock.

Having issues getting green padlock due to this plugin, specifically, the files listed below.

Hard Failure
A script with an insecure url of “https://sd4wheel.com/wp-content/plugins/wplegalpages/js/jscolor/jscolor.js” was loaded on line: 109 of https://www.sd4wheel.com/.
This URL will need to be updated to use a secure URL for your padlock to return.

Hard Failure
A style-sheet with an insecure url of “https://sd4wheel.com/wp-content/plugins/wplegalpages/css/media.css” was loaded on line: 1298 of https://www.sd4wheel.com/.
This URL will need to be updated to use a secure URL for your padlock to return.

The page I need help with: [log in to see the link]