body {
  margin: 0;
  background: #000;
  color: #fff;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.video-container {
  width: 90%;
  max-width: 800px;
}

#ad-slot {
  margin-top: 15px;
  width: 90%;
  max-width: 800px;
  background: #111;
  text-align: center;
  padding: 10px;
  border: 1px dashed #555;
}

/* Responsive video */
video {
  width: 100% !important;
  height: auto !important;
  border-radius: 8px;
}