Examine source code of Maco

{
  "name": "Maco",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "BarHarborCave_ROW9345444229_1920x1080.jpg"
    },
    "colors": {
      "toolbar": "rgba(62, 41, 143, 1)",
      "toolbar_field": "rgba(61, 187, 219, 1)",
      "toolbar_field_text": "rgba(127, 158, 72, 1)",
      "frame": "rgba(50, 130, 86, 1)",
      "tab_background_text": "rgba(129, 40, 171, 1)",
      "bookmark_text": "rgba(61, 72, 153, 1)"
    }
  }
}