.form-step {
  display: none;
  margin-bottom: 20px;
}
.form-step.active {
  display: block;
}
.hidden {
  display: none;
}
.suggested-amounts button {
  margin: 5px;
  padding: 10px;
  background-color: #eee;
  border: 1px solid #ccc;
  cursor: pointer;
}