details {
  border: 1px solid #b61729;
  padding: 10px;
  margin: auto;
  max-width: 860px;
  background-color: transparent;
}

details > p::before {
  content: "A. ";
}

summary {
  font-weight: bold;
  cursor: pointer;
  padding: 5px;
  background-color: #b61729;
  border: 1px solid #ee4030;
  list-style: none;
  transition: background-color 0.3s ease-in-out;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "Q. ";
  font-weight: bold;
  color: #fcfcfc;
}

summary:hover {
  background-color: #f35869;
}