Examine source code of CrystalBlue2.0

{
  "name": "CrystalBlue2.0",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "BongoLogo.png"
    },
    "colors": {
      "frame": "rgba(77, 164, 240, 1)",
      "tab_background_text": "rgba(77, 77, 77, 1)",
      "toolbar": "rgba(42, 150, 232, 1)",
      "bookmark_text": "rgba(82, 82, 82, 1)",
      "toolbar_field": "rgba(90, 139, 199, 0.48)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(24, 78, 186, 0.26)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0feccef6-533e-4e17-8b6a-7022502b1027}"
    }
  }
}