body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f4f4f4;
  color: #333;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

h2 {
  border-bottom: 1px solid #ccc;
  padding-bottom: 5px;
}

form {
  margin-bottom: 20px;
}

input[type="text"] {
  width: 80%;
  padding: 10px;
  margin: 10px 0;
}

button {
  padding: 10px 16px;
  background-color: royalblue;
  color: white;
  border: none;
  cursor: pointer;
}

pre {
  background: #272822;
  color: #f8f8f2;
  padding: 20px;
  white-space: pre-wrap;
  border-radius: 6px;
}