Examine source code of Spring Streams by M♥Donna

{
  "name": "Spring  Streams by M♥Donna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Spring Meadow Spring.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 3, 3, 0.1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(252, 252, 252, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0d0ccb9a-3426-4402-bb62-75e7be1dc483}"
    }
  }
}