.explanation-content [id] { scroll-margin-top: 4rem; }
  .explanation-content .katex-display { overflow-x: auto; overflow-y: hidden; padding-bottom: .25rem; }
  .explanation-content dl { margin-bottom: 0; }
  .explanation-content dd { margin-bottom: .65rem; }
  .explanation-content dd:last-child { margin-bottom: 0; }