html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  padding: 1rem;
}

h1 {
  margin-bottom: 1rem;
  font-family: system-ui, sans-serif;
  font-size: 1.5rem;
}

iframe {
  width: 100%;
  max-width: 800px;
  height: 600px;
  border: 1px solid #ccc;
  border-radius: 8px;
}