.example {
  font-family: monospace;
  background-color: black;
  font-size: 14px;
  color: grey;
  padding: 0.5rem;
}

.todo {
  color: white;
  font-weight: bold;
}

.old {
  color: white;
  text-decoration-line: line-through;
}

div[data-type="sandbox"] details {
  padding: 1rem 0.3rem;
}

summary:focus {
  outline-style: none;
}


details summary {
  list-style: none;
  display: flex;
  line-height: initial !important;
  align-items: baseline;
}

details summary::before {
  content: '➤';
  display: inline-block;
  margin-right: 5px;
  transition: transform 0.2s;
}

details[open] summary::before {
  transform: rotate(90deg);
}