Examine source code of Snowmans Christmas

{
  "name": "Snowmans Christmas",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "snowmansChristmash.jpg"
    },
    "colors": {
      "frame": "rgba(175, 229, 236, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(176, 228, 237, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(176, 228, 237, 0.1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7546f938-de00-4b5e-bb73-e5da7477ba25}"
    }
  }
}