The code of all these websites has been written according to the guidelines of the World-Wide-Web-Consortium in valid "HTML 4.0.1 Transitional" using "Cascading Style Sheets" (CSS).
You may proof this by clicking the links "Valid HTML" and "Valid CSS" underneath the content area.

Most actual and many older versions of the usual web-browsers display these websites correctly.

In case of problems, but also for questions, hints or remarks please feel free to write an e-mail to: