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• This is not a feature request
• This is not an image-provider request
• I have searched the issuetracker if the issue is not already reported.

Describe the bug:
When a image with very bright light colors is randomly picked up, there is no contrast with NC icons which make it practically unusable (need to reload the page to have more contrast).

To Reproduce:
Steps to reproduce the behavior:
Refresh page until a very light image is loaded
Or.. look at the screenshots provided

Expected behavior:
There should be a shadow or dark line around NC icons.
Alternatively, header should be opaque.

Server:

• Nextcloud version: 24.0
• Splash-App version: 1.2.5