body {
    font-family: Arial, sans-serif;
  }
  
  h1 {
    text-align: center;
  }
  
  label {
    display: block;
    margin-top: 1em;
    font-weight: bold;
  }
  
  textarea {
    width: 100%;
    height: 10em;
    padding: 0.5em;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 0.25em;
  }
  
  button {
    margin-top: 1em;
    padding: 0.5em 1em;
    font-size: 1em;
    font-weight: bold;
    text-transform: uppercase;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 0.25em;
    cursor: pointer;
    transition: background-color 0.2s ease;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  #output {
    margin-top: 1em;
  }