The Collapsible Console Sections plugin has a dated UI from 14 years ago, it could use a refresh to use a bit more modern HTML and align with the Jenkins UI.
https://plugins.jenkins.io/collapsing-console-sections/
I have built the plugin using:
mvn -Drevision=1.9.0 -Dchangelist=-8-g46b61db-T378327 clean package
