body {
  font-family: Arial, Helvetica, sans-serif;
}
img {
  max-width: 90%;
}
figure img {
  max-width: 45%;
}
.print {
  display: none;
}

details > summary {
  list-style: none;
  margin-bottom: 10px;
}
details > summary::-webkit-details-marker {
  display: none;
}
details > details {
  margin-left: 10px;
}