Examine source code of Snowflakes Blue

{
  "name": "Snowflakes Blue",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "2.jpg"
    },
    "colors": {
      "frame": "rgba(8, 47, 201, 1)",
      "tab_background_text": "#ffffff",
      "toolbar": "rgba(8, 41, 204, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(8, 41, 204, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cdf90656-7fb6-4f2c-80d9-48e9f5e2adb2}"
    }
  }
}