Colors are distorted

Here the table is corrupted. Colors are distorted.
https://word.cbm.ua/?p=6137

But here the same HTML text works.
https://word.cbm.ua/?p=9456

Why?

Help me please. I don’t understand why this happens.
What needs to be done to prevent this from happening?

Страница, с которой нужна помощь: [войдите, чтобы увидеть ссылку]