Examine source code of Stained-Colored-Glass

{
  "name": "Stained Glass",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "76962445-illustration-in-stained-glass-style-with-a-bright-purple-cross-and-swirly-patterns-.jpg"
    },
    "colors": {
      "frame": "rgba(54, 57, 66, 1)",
      "tab_background_text": "rgba(255, 0, 0, 1)",
      "toolbar": "rgba(169, 163, 194, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(199, 204, 41, 1)",
      "tab_line": "rgba(18, 0, 117, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a5ff73a0-9b89-4337-a7c0-6b41b3f616fb}"
    }
  }
}