.shipment-tracker {
  margin: 20px 0;
  padding: 10px;
  border: 1px solid #ddd;
  max-width: 500px;
}

.shipment-tracker input {
  padding: 8px;
  margin-right: 10px;
}

.shipment-tracker button {
  padding: 8px 12px;
  cursor: pointer;
}

#shipment-result {
  margin-top: 15px;
  padding: 10px;
  border: 1px solid #eee;
  background: #fafafa;
}