* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
  }
  
  h1 {
    text-align: center;
    color: #333;
  }
  
  form {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  input {
    width: 70%;
    height: 40px;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 10px;
    outline: none;
  }
  
  button {
    width: 20%;
    height: 40px;
    border: none;
    border-radius: 5px;
    background-color: #333;
    color: #fff;
    cursor: pointer;
  }
  
  #result {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  #result h2 {
    color: #333;
  }
  
  #result p {
    color: #666;
  }