Examine source code of Merman greens

{
  "theme": {
    "images": {
      "theme_frame": "mermanTop.jpg"
    },
    "colors": {
      "frame": "#e8c307",
      "tab_background_text": "#1b1f04"
    }
  },
  "version": "2.0",
  "name": "Merman greens",
  "manifest_version": 2,
  "description": "Ocean greens with a merman"
}