Code blocks are not rendered correctly

[fladd]

Problem

Code blocks are not rendered as they used to. They now look like the default Sphinx theme (green background):

Expected Results

Should look like this:

Environment Info

• Python Version: 3.7.4
• Sphinx Version: 2.2.0
• RTD Theme Version: 0.4.3

[agjohnson]

I don't see the same issue, either with master or #838. Can you confirm? We could use more information to track this down, so please include any links you have in your report.

[clefebvre]

It's happening for us as well. Here's an example: https://linuxmint-installation-guide.readthedocs.io/en/latest/verify.html

[stsewd]

The latest build from that project was a year ago https://readthedocs.org/projects/linuxmint-installation-guide/builds/

Code-blocks look fine with the latest version https://docs.readthedocs.io/en/stable/api/v3.html#projects