body {
  font-family: Arial, sans-serif;
  max-width: 100%;
  padding: 20px;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

h1 {
  color: #333;
  border-bottom: 2px solid #007bff;
  padding-bottom: 10px;
}

.iframe-container {
  margin: 20px 0;
  overflow: hidden;
}

#iframe {
  width: 100%;
  max-width: 100%;
  height: 400px;
  min-height: 400px;

  border: 2px solid #007bff;
  border-radius: 4px;
  overflow: hidden;
}

#dimensions {
  position: fixed;
  top: 5px;
  right: 5px;

  padding: 10px 10px;

  color: white;
  font-size: 12px;

  background: rgba(0, 0, 0, 0.7); /* transparent black */
  border-radius: 8px;
}