Background of share is black

Nextcloud version (eg, 20.0.5): 20.0.7
Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04 LTS Server
Apache or nginx version (eg, Apache 2.4.25): nginx
PHP version (eg, 7.4): 7.4

The issue you are facing:

The background color of a public share is black. I cannot find anywhere to change this. I just went throungh upgrading to NC20 today. Is this just a new feature? There is some black text on the black background. Not easy to read most of the text on the page.

It looks like this is only happening in Firefox. Is there some reason the background would be changing based on my desktop theme?

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. Create share link
  2. Visit share link (e.g.


the backround color from share of your nextcloud adapts to your windows design. Change your windows design from dark to light.