Examine source code of Game, eat, repeat Toolbar

{
  "name": "Game, eat, repeat Toolbar",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "4E3D0749-2148-424F-B814-7EB2BA9C2D41.png"
    },
    "colors": {
      "frame": "rgba(122, 17, 138, 1)",
      "tab_background_text": "rgba(230, 41, 202, 1)",
      "toolbar": "rgba(110, 22, 107, 0.75)",
      "bookmark_text": "rgba(119, 4, 219, 1)",
      "toolbar_field": "rgba(242, 72, 183, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(52, 0, 66, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1fa71f86-70ee-41f6-842b-62036463c41f}"
    }
  }
}