body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  text-align: center;
  margin-top: 50px;
}

.container {
  background: white;
  padding: 20px;
  display: inline-block;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input, select, button {
  padding: 10px;
  margin: 10px;
  font-size: 16px;
}