Unformatted emails after update

Since the last update, admin emails are showing some css code in the header now. Anyway to revert this? This seems a mix of css code with the original request, value and information in the request page.

border-top-width: 4px;"3,22€

Método de pagamento: Termos e Condições
Total: 3,22€

• This topic was modified 3 years, 1 month ago by msdesignfoto.

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