body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    text-align: center;
    padding: 40px;
  }
  
  .container {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    display: inline-block;
  }
  
  .selector {
    margin: 15px 0;
  }
  
  select {
    padding: 5px;
    font-size: 16px;
  }
  
  button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #2b7cff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #1c5fd8;
  }
  
  h2 {
    margin-top: 30px;
  }