Examine source code of amos

{
  "name": "amos",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "1527682593768.jpg"
    },
    "colors": {
      "toolbar": "rgba(130, 81, 81, 1)",
      "toolbar_field": "rgba(148, 68, 68, 0.65)",
      "toolbar_field_text": "rgba(145, 63, 63, 1)",
      "frame": "rgba(91, 115, 166, 1)",
      "tab_background_text": "rgba(143, 66, 66, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)"
    }
  }
}