body {
  font-family: Arial, sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 20px;
}

.menu {
  margin-bottom: 20px;
}

.menu ul {
  list-style-type: none;
  padding: 0;
}

.menu ul li {
  display: inline;
  margin-right: 10px;
}

.menu ul li a {
  text-decoration: none;
  color: #007BFF;
  cursor: pointer;
}

.menu ul li a:hover {
  text-decoration: underline;
}

.content-container {
  width: 100%;
  max-width: 600px;
}

form {
  display: flex;
  flex-direction: column;
}

form label {
  margin-top: 10px;
}

form input[type="text"],
form input[type="url"] {
  padding: 8px;
  margin-top: 5px;
}

form input[type="checkbox"] {
  margin-top: 10px;
}

form button {
  padding: 10px;
  margin-top: 20px;
  background-color: #007BFF;
  color: #fff;
  border: none;
  cursor: pointer;
}

form button:hover {
  background-color: #0056b3;
}

.hidden {
  display: none;
}

pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  background-color: #f8f9fa;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

button.copy-label {
  background-color: #28a745;
  color: #fff;
  border: none;
  padding: 5px 10px;
  margin-top: 10px;
  cursor: pointer;
}

button.copy-label:hover {
  background-color: #218838;
}