Night mode: Background image losing transparency

Hi you guys,

I'm new to Koreader. I have several epub files that use transparent PNG, Webp, SVG images as background. In night mode, Koreader renders the transparent areas as white. I would like to know the setting or tweak that can prevent this.

I tried to work around that by using an external css file in the style tweak folder.

body { background-color: black; color: white}

This leaves the status bar white. I would like to know the css that can change its color.

Thank you.



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