Examine source code of Glowing Eye

{
  "theme": {
    "images": {
      "theme_frame": "allseeingeye.jpg"
    },
    "colors": {
      "frame": "#0091ff",
      "tab_background_text": "#00eeff"
    }
  },
  "version": "2.0",
  "name": "Glowing Eye",
  "manifest_version": 2,
  "description": "Technical looking grid with an intimidating glowing eye watching from the corner."
}