Examine source code of Planet Balto

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Balto",
  "theme": {
    "images": {
      "additional_backgrounds": []
    },
    "properties": {
      "additional_backgrounds_alignment": [],
      "additional_backgrounds_tiling": []
    },
    "colors": {
      "toolbar": "rgba(15, 36, 37, 0.82)",
      "toolbar_text": "rgb(56, 156, 137)",
      "frame": "rgb(15, 36, 37)",
      "tab_background_text": "rgb(187, 58, 58)",
      "toolbar_field": "rgba(15, 36, 37, 0.73)",
      "toolbar_field_text": "rgb(56, 156, 137)",
      "tab_line": "rgb(187, 58, 58)",
      "popup": "rgb(15, 36, 37)",
      "popup_text": "rgb(56, 156, 137)",
      "ntp_background": "rgba(15, 36, 37, 0.82)",
      "tab_loading": "rgb(187, 58, 58)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4039c2f4-563f-4ad0-9c99-de5e506b933d}"
    }
  }
}