Text has changed

The text on the website has changed since the last update. In the blogs, the text has changed to black and the text is centered but left aligned. It's the same for the tags and in the menus. Text should be white and centered on the site.

Check my website:

https://turside.no/index.php/turmeny/turblogg

https://turside.no/index.php/turmeny/turstier

https://turside.no/index.php/turmeny/turblogg/tag/tandbergfjellet

https://turside.no/index.php/turmeny/turblogg/turer-med-vi-turglade

How do I fix that problem?

Kind regards
Øystein Berntsen