Examine source code of mario online animated

{
  "name": "mario online animated",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "ezgif.com-gif-maker(22).gif"
    },
    "colors": {
      "frame": "rgba(7, 0, 33, 0)",
      "tab_background_text": "rgba(194, 194, 194, 1)",
      "toolbar": "rgba(0, 34, 158, 0.22)",
      "bookmark_text": "rgba(0, 217, 255, 1)",
      "toolbar_field": "rgba(10, 0, 56, 0.41)",
      "toolbar_field_text": "rgba(0, 217, 255, 1)",
      "tab_line": "rgba(0, 208, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b11fdc34-daaa-4e3d-a09e-bbe7d266c9f7}"
    }
  }
}