h1 {
  text-align: center;
  color: #141413;
}

.table-of-contents.open {
  background-color: #ffffff;
}

h2 {
  color: #000000;
}

.button {
  font-weight: bold;
}

.btn:not(:disabled):not(.disabled) {
  border-radius: 10px;
  font-weight: bold;
}