mat-form-field {
  display: block;
}

.secret  {
  width: 200px;
  max-width: 200px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.secret:hover {
  cursor: pointer;
  max-width: 100%;
  width: 100%;
  margin-right: 25px;
}