Examine source code of Pizza lover

{
  "name": "Pizza lover",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "pizzabackground.PNG"
    },
    "colors": {
      "toolbar": "rgba(204, 108, 108, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(217, 104, 104, 1)",
      "frame": "rgba(224, 166, 119, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)"
    }
  }
}