Examine source code of Snowflakes Bright

{
  "name": "Snowflakes Bright",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "SnowflakesWonderH.jpg"
    },
    "colors": {
      "frame": "rgba(236, 210, 8, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(237, 218, 9, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(237, 218, 9, 0.06)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c41d2a35-dadf-4ca7-981f-71c911e46d49}"
    }
  }
}