• ponder-answer-wiki-header
  • Added in https://we.phorge.it/rPe9f4ca6ca338142b2cf44e61d313d3c6810435d4, usage removed in https://we.phorge.it/rPfe7e288cf558051c5405679d8569ce26847482ef
• ponder-question-container
  • Added in https://we.phorge.it/rPe9f4ca6ca338142b2cf44e61d313d3c6810435d4, seems to never have been used
• ponder-view-properties
  • Added in https://we.phorge.it/rPe9f4ca6ca338142b2cf44e61d313d3c6810435d4, usage removed in https://we.phorge.it/rPfe7e288cf558051c5405679d8569ce26847482ef

Grep the code for each CSS selector (grep --exclude="*.css" -R 'some-search-string' .), also do partial searches, get no results.

Visit a Ponder question, both in frontend and backend, and play with these selectors. Nothing happens.