Examine source code of Zachs Theme

{
  "name": "Zachs Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hTTaka0.jpg"
    },
    "colors": {
      "frame": "rgba(68, 70, 74, 1)",
      "tab_background_text": "rgba(88, 93, 105, 1)",
      "toolbar": "rgba(88, 93, 105, 1)",
      "bookmark_text": "rgba(114, 232, 179, 1)",
      "toolbar_field": "rgba(68, 70, 74, 1)",
      "tab_line": "rgba(114, 232, 179, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f93731a-2d5d-4a5d-bbac-8748ad6c6f67}"
    }
  }
}