.chat {
  max-width: 650px;
  padding: 14px 18px;
  margin: 14px 0;
  border-radius: 10px;
  font-size: 1.05em;
}

.question {
  background: #eef3ff;
  border-left: 5px solid #3a6cff;
}

.answer {
  background: #f4f4f4;
  border-left: 5px solid #888;
}