Open the browser console and load the homepage:
(index):14 Refused to load the stylesheet 'https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,700&family=Open+Sans:wght@300;400;700&display=swap' because it violates the following Content Security Policy directive: "style-src 'self' data: blob: 'unsafe-inline' 'unsafe-eval' https://www.apachecon.com/ https://www.communityovercode.org/ https://.apache.org/ https://apache.org/ https://.scarf.sh/". Note that 'style-src-elem' was not explicitly set, so 'style-src' is used as a fallback.