.ddg-feature-card {
  margin-bottom: 100px;
}

.table-of-contents.open {
  border-radius: 20px;
}

.btn:not(:disabled):not(.disabled) {
  border-radius: 30px;
  border-left-width: 30px;
  border-right-width: 30px;
  font-weight: bold;
}



h1 {
  text-align: center;
}