#jukebox-equalizer {
  width: 100%;
  height: 150px;
  background: radial-gradient(ellipse at center, #000 0%, #111 100%);
  margin: 40px auto;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  overflow: hidden;
}

#equalizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
  filter: brightness(1.4) saturate(1.5) drop-shadow(0 0 6px #0ff);
}