Examine source code of A green apple

{
  "name": "A green apple",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "з я.jpg"
    },
    "colors": {
      "toolbar": "rgba(51, 122, 4, 0.11)",
      "toolbar_field": "rgba(20, 74, 4, 0.28)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "frame": "rgba(6, 23, 1, 1)",
      "tab_background_text": "rgba(216, 255, 186, 1)",
      "bookmark_text": "rgba(216, 255, 186, 1)"
    }
  }
}