Compatibility between sphinx-panels and sphinx-book-theme

[seisman]

Describe the bug

The left-side TOC scroll with the main content when the sphinx-panels extension is used in the sphinx-book-theme.

To Reproduce

Steps to reproduce the behavior:

1. Go to https://seismo-learn.org/sitepreview/seismo-learn/seismology101/sphinx-book-theme/computer/fedora-setup/ (the content is in Chinese)
2. Scroll the main content
3. you will see

Expected behavior

The left-side TOC is fixed when scrolling the main content.

The link to our documentation repository (current in the sphinx-book-theme branch): https://github.com/seismo-learn/seismology101/tree/sphinx-book-theme

Environment

• Python Version [e.g. 3.7.1]: Python 3.8.5
• Package versions or output of jupyter-book --version: NA
• Operating System: Ubuntu

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[seisman]

The bug seems to be fixed when I comment out the position: relative style from the panels-bootstrap.css file (see the screenshot below) and I don't see side effects.

[SilverRainZ]

Kindly ping~ I suffer the same issue, any progress?

[SilverRainZ]

FYI: sphinx_design is successor of this project and it works well with sphinx_book_theme, see #67