DIV.answer {
  color: teal;
  margin-left: 2em;
}

DIV.answer pre {
  color: teal;
}

DIV.note {
  color: blue;
  margin-left: 2em;
}

DIV.note pre {
  color: blue;
}

DIV.question {
  color: red;
}

DIV.question pre {
  color: red;
}