UI elements not visible on pictures

For me in the top of the image, there should be download button and stuff.

The top is white and the symbols are white. There's no gradient. I literally can't see it.

I know this is dumb but I think it's also an easy fix as the bottom already has a gradient.

Edit: credits to the OP of this https://lemmy.world/pictrs/image/b722cda5-9fd5-4dc0-8f57-450d8f5ee8d7.jpeg