Examine source code of Modern Fusion

{
  "theme": {
    "images": {
      "theme_frame": "Firefoxoben.jpg"
    },
    "colors": {
      "frame": "#9cf24b",
      "tab_background_text": "#f0e04d"
    }
  },
  "version": "2.0",
  "name": "Modern Fusion",
  "manifest_version": 2,
  "description": "The best I had ever made!\nEnjoy!"
}