Dark Mode: Text highlight colour same as background colour in certain areas #1677

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OVERLORD · 2026-02-05T01:35:02+03:00

OVERLORD commented

2026-02-05 01:35:02 +03:00

Originally created by @conor-byrne on GitHub (Apr 23, 2020).

Describe the bug
Highlighting/selecting text has no visual effect in certain areas while in dark mode. The text is still highlighted/selected as can be shown by a copy/paste.

Areas I've noticed it in:

markdown editor
code block in rendered page

Interestingly, it works in the markdown editor's preview pane but not the final rendered page.

Steps To Reproduce
Steps to reproduce the behavior:

Set editor to be markdown in settings.
Create a new page.
Include a markdown code block in the page.
Try to highlight any text in the markdown editor.
Observe no visual text highlighting.
Observe that copy and paste still work (Ctrl-C, Ctrl-P).
Save page and be returned to the rendered page view.
Try to highlight some text inside the code block.
Observe no visual text highlighting as before.
Observe that copy and paste still work (Ctrl-C, Ctrl-P).

Expected behavior
Text to be highlighted with white background, blue text colour.

Your Configuration (please complete the following information):

Exact BookStack Version (Found in settings): 0.29.0
Hosting Method (Nginx/Apache/Docker): podman: docker.io/linuxserver/bookstack:latest

Additional context
Firefox Developer Edition 76.0b6

Originally created by @conor-byrne on GitHub (Apr 23, 2020). **Describe the bug** Highlighting/selecting text has no visual effect in certain areas while in dark mode. The text is still highlighted/selected as can be shown by a copy/paste. Areas I've noticed it in: * markdown editor * code block in rendered page Interestingly, it works in the markdown editor's preview pane but not the final rendered page. **Steps To Reproduce** Steps to reproduce the behavior: 1. Set editor to be markdown in settings. 2. Create a new page. 3. Include a markdown code block in the page. 4. Try to highlight any text in the markdown editor. 5. Observe no visual text highlighting. 6. Observe that copy and paste still work (Ctrl-C, Ctrl-P). 7. Save page and be returned to the rendered page view. 8. Try to highlight some text inside the code block. 9. Observe no visual text highlighting as before. 10. Observe that copy and paste still work (Ctrl-C, Ctrl-P). **Expected behavior** Text to be highlighted with white background, blue text colour. **Your Configuration (please complete the following information):** - Exact BookStack Version (Found in settings): 0.29.0 - Hosting Method (Nginx/Apache/Docker): podman: docker.io/linuxserver/bookstack:latest **Additional context** Firefox Developer Edition 76.0b6

OVERLORD added the 🐛 Bug 🎨 Design 💻 Front-End labels 2026-02-05 01:35:02 +03:00

OVERLORD closed this issue

2026-02-05 01:35:03 +03:00

OVERLORD commented

2026-02-05 01:35:07 +03:00

@ssddanbrown commented on GitHub (Apr 25, 2020):

Hi @conor-byrne, Thanks for reporting this issue with clear reproduction steps.

Apologies about this, Turned out I had set a background style that then laid over the element that represented the text selection, making the selection hidden behind a foreground element.

I've now fixed this and the patch will be part of the next BookStack patch release.

@ssddanbrown commented on GitHub (Apr 25, 2020): Hi @conor-byrne, Thanks for reporting this issue with clear reproduction steps. Apologies about this, Turned out I had set a background style that then laid over the element that represented the text selection, making the selection hidden behind a foreground element. I've now fixed this and the patch will be part of the next BookStack patch release.

OVERLORD commented

2026-02-05 01:35:10 +03:00

@conor-byrne commented on GitHub (Apr 29, 2020):

@ssddanbrown No problem at all, thanks so much for your work!

@conor-byrne commented on GitHub (Apr 29, 2020): @ssddanbrown No problem at all, thanks so much for your work!

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Reference: starred/BookStack#1677