Examine source code of Fancy Easter Eggs 4

{
  "theme": {
    "images": {
      "theme_frame": "FancyEasterEggs4a.jpg"
    },
    "colors": {
      "frame": "#4a2a2a",
      "tab_background_text": "#422828"
    }
  },
  "version": "2.0",
  "name": "Fancy Easter Eggs 4",
  "manifest_version": 2
}