Everything I open is showing up white on black instead of black on white. How do I change this? I didn't see anything in settings.
I am sorry for the delayed response.
As you have mentioned in the description, you are getting black background with white text instead of white background with black text, is that correct?
You may have Night mode turned on under Viewing option which can result this setting.
Try turning off Night mode as described in the following link:
Feel free to update this discussion in case you need further help.