body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background: #007BFF;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-family: Arial, sans-serif;
}

.btn:hover {
  background: #0056b3;
}

iframe {
  border: 1px solid #ccc;
  width: 500px;
  height: 800px;
  margin-bottom: 20px;
}

.embed {
  width: 800px;
  height: auto;
  margin: 20px 0;
  overflow: scroll;
}

#messages {
  padding: 10px;
  background: #f9f9f9;
  border: 1px solid #ddd;
  min-height: 50px;
  white-space: pre-wrap;
}

.banner {
  width: fit-content;
  padding: 0.25rem 1rem;
  margin: 1.5rem 0;
  background-color: #fafafa;
  border: 1px solid #e1e1e1;
  border-radius: 0.25rem;
}

code {
  background-color: #f5f5f5;
  color: #c7254e;
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 1em;
  font-family: monospace;
}