Examine source code of Pixel rain (Animated)

{
  "name": "Pixel rain (Animated)",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "TwioRup.gif"
    },
    "colors": {
      "frame": "rgba(46, 46, 46, 1)",
      "tab_background_text": "rgba(201, 0, 194, 1)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "bookmark_text": "rgba(91, 0, 209, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.52)",
      "toolbar_field_text": "rgba(224, 224, 224, 1)",
      "tab_line": "rgba(0, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{115ef821-d24d-43a1-88ed-82f81ef76705}"
    }
  }
}