Examine source code of Emo fun

{
  "theme": {
    "images": {
      "theme_frame": "lolt.jpg"
    },
    "colors": {
      "frame": "#520639",
      "tab_background_text": "#d63276"
    }
  },
  "version": "2.0",
  "name": "Emo fun",
  "manifest_version": 2,
  "description": "Fly away with the butterflies."
}