Adding code to child’s theme css and php cannot override certain elements

I realized that I didn’t use the same label as what was indicated in the parent theme. E.g.: “background” instead of “background-color”. After using the same label, the changes took place. Problem solved!

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)