body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: url('dune_background_50_opacity.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #333;
  text-align: center;
  padding: 4rem 1rem;
}
.logo {
  max-width: 300px;
  margin: 1rem auto;
}
.logo img {
  width: 100%;
  height: auto;
}
h1 {
  color: #2E2E2E;
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}
h2 {
  font-weight: normal;
  font-style: italic;
  font-size: 1.3rem;
  margin-top: 0;
  color: #444;
}
.form-container {
  margin-top: 3rem;
}
iframe {
  width: 100%;
  max-width: 550px;
  height: 600px;
  border: none;
}