The panel should open when clicking.

The panel does not open in Google Chrome (checked on Windows 7) and FireFox (checked on Ubuntu 16.04). The good news is that it opens in IE on Windows 7 :)
The issue happened in last 2 days. Previously everything regarding this panel was working fine.

This is probably going to be a be a theme issue if there is an issue. Just tested on chrome-os 63.0.3239.140 and had no issues. Can you give your build number for your browser?
Theme issues can be filed here: https://github.com/rtfd/sphinx_rtd_theme
I do not see this issue anymore under https://esp-idf.readthedocs.io/en/latest/
The issue still persists under https://espressif-docs.readthedocs-hosted.com/projects/esp-idf/en/latest/
Checked using:
(Ubuntu 16.04)

(Windows 7)

I see that now on my end too. I have not looked to see exactly what the
issue is.
On Tue, Jan 30, 2018 at 8:53 AM, Krzysztof notifications@github.com wrote:
I do not see this issue anymore under https://esp-idf.readthedocs.
io/en/latest/
The issue still persists under https://espressif-docs.
readthedocs-hosted.com/projects/esp-idf/en/latest/Checked using:
[image: image]
https://user-images.githubusercontent.com/12953787/35569528-9a20f606-05cc-11e8-80ab-ef44df1800a0.png—
You are receiving this because you commented.
Reply to this email directly, view it on GitHub
https://github.com/rtfd/readthedocs.org/issues/3563#issuecomment-361599464,
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--
Aaron Carlisle
Picture taker | Bit cruncher | Pixel pusher | Document writer |
Project administrator for the Blender 3D Documentation Project
I do not see this issue anymore for some time already.
Happy to close it!
Most helpful comment
I do not see this issue anymore for some time already.
Happy to close it!