Looks OK for me. Its loading the font from https://citizenlab.ca/wp-content/themes/citizenlab-wp-theme/library/fonts/source-sans-pro-v9-latin-regular.woff2 http

Looks OK for me. Its loading the font from https://citizenlab.ca/wp-content/themes/citizenlab-wp-theme/library/fonts/source-sans-pro-v9-latin-regular.woff2 https://citizenlab.ca/wp-content/themes/citizenlab-wp-theme/... Can you access that URL or is it being blocked for you?