Examine source code of raindrops 2020

{
  "name": "raindrops ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "frunze.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(117, 117, 9, 1)",
      "toolbar": "rgba(66, 59, 59, 1)",
      "toolbar_field": "rgba(186, 184, 184, 1)",
      "toolbar_field_text": "rgba(77, 77, 77, 1)"
    }
  }
}