Examine source code of starburst-onyx

{
  "name": "starburst",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "HD_transparent_picture.png"
    },
    "colors": {
      "frame": "rgba(9, 9, 9, 1)",
      "tab_background_text": "rgba(215, 226, 239, 1)",
      "toolbar": "rgba(8, 8, 8, 1)",
      "bookmark_text": "rgba(206, 206, 206, 1)",
      "toolbar_field": "rgba(13, 13, 13, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(17, 17, 17, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae2aef40-ce1a-4761-b730-e045f39e3e30}"
    }
  }
}