Examine source code of LED Effect

{
  "theme": {
    "images": {
      "theme_frame": "LEDHeader.PNG"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "LED Effect",
  "manifest_version": 2,
  "description": "The effect I chose for this Persona was the LED Lighting effect, which offers a Neon glow to the browser."
}