#registration-form select {
  width: 100%;
  border: 1px solid #d5dfde;
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
  color: #17202a;
  font: inherit;
}

#registration-form select:disabled {
  background: #f5f7f5;
  color: #71808b;
}