Examine source code of spiderman that cool scene

{
  "name": "spiderman",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "New board(1).png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(209, 144, 147, 1)",
      "toolbar": "rgba(199, 84, 84, 0)",
      "bookmark_text": "rgba(245, 231, 231, 1)",
      "toolbar_field": "rgba(159, 162, 209, 0.66)",
      "toolbar_field_text": "rgba(230, 166, 166, 1)",
      "tab_line": "rgba(29, 31, 84, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2beadaaf-5e32-4b89-bfc5-e3d83ac2c57a}"
    }
  }
}