Examine source code of ngo :D

{
  "name": "ngo :D",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "348867033_204367929103241_453599507806012076_n.png"
    },
    "colors": {
      "frame": "rgba(26, 15, 15, 1)",
      "tab_background_text": "rgba(209, 209, 209, 0.78)",
      "toolbar": "rgba(102, 59, 59, 0.26)",
      "bookmark_text": "rgba(158, 158, 158, 0.88)",
      "toolbar_field": "rgba(150, 81, 81, 0.37)",
      "toolbar_field_text": "rgba(161, 161, 161, 0.62)",
      "tab_line": "rgba(128, 69, 69, 0.3)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aaef0a43-4a4b-4519-9b2a-1d99d1eb2a25}"
    }
  }
}