body {
  font-family: Arial;
  background: #f0f0f0;
}

.container {
  width: 300px;
  margin: 100px auto;
  background: white;
  padding: 20px;
  text-align: center;
  border-radius: 10px;
}

input, select {
  width: 90%;
  padding: 10px;
  margin: 10px 0;
}

button {
  padding: 10px 20px;
  background: green;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background: darkgreen;
}