Examine source code of Sunlight Forest Stream

{
  "name": "Sunlight Forest Stream",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(16, 30, 36, 1)",
      "tab_background_text": "rgba(247, 255, 204, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(247, 255, 204, 1)",
      "toolbar_field": "rgba(16, 30, 36, 0.09)",
      "toolbar_field_text": "rgba(247, 255, 204, 1)",
      "tab_line": "rgba(247, 255, 204, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d702f329-6112-4ed3-9cee-32ae71cddcdd}"
    }
  }
}