Examine source code of Happy Easter 12 a

{
  "theme": {
    "images": {
      "theme_frame": "HappyEaster12.jpg"
    },
    "colors": {
      "frame": "#e31919",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Happy Easter 12 a",
  "manifest_version": 2
}