Examine source code of Retro Peace

{
  "theme": {
    "images": {
      "theme_frame": "PeaceBanner.jpg"
    },
    "colors": {
      "frame": "#d9d9d9",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Retro Peace",
  "manifest_version": 2,
  "description": "I hope you like this Peace persona! I made it special for my little sis because she said she wanted one. But, you can use it if you'd like!\n\nTime Taken: 30 minutes"
}