Examine source code of rainy pixel city

{
  "name": "pixel city",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "or555555ig.gif"
    },
    "colors": {
      "frame": "rgba(203, 152, 230, 1)",
      "tab_background_text": "rgba(178, 116, 232, 1)",
      "toolbar": "rgba(188, 87, 242, 0.55)",
      "bookmark_text": "rgba(114, 43, 153, 1)",
      "toolbar_field": "rgba(180, 134, 204, 0.62)",
      "toolbar_field_text": "rgba(125, 83, 189, 1)"
    }
  }
}