body {
  margin: 0;
  overflow: hidden;
  background-color: #000;
}
video#background-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}
canvas {
  display: block;
  position: absolute;
}
.banner {
  position: absolute;
  padding: 15px;
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.9), rgba(50, 50, 50, 0.8));
  color: #0ff;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
  display: none;
  pointer-events: auto;
  font-family: 'Orbitron', sans-serif;
  font-size: 14px;
  z-index: 1000;
  text-align: center;
}