Examine source code of akeyblowie

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "akeyblowie",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0)",
      "toolbar_text": "rgb(208, 208, 219)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(157, 154, 154)",
      "toolbar_field": "rgba(255, 255, 255, 0.18)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(248, 248, 248, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(255, 241, 241)",
      "icons": "rgba(255, 255, 255, 0.72)",
      "ntp_background": "rgb(11, 11, 11)",
      "popup_border": "rgba(168, 113, 113, 0)",
      "popup_highlight_text": "rgba(255, 255, 255, 0.72)",
      "tab_selected": "rgba(255, 255, 255, 0.08)",
      "tab_text": "rgba(255, 255, 255, 0.72)",
      "toolbar_field_border_focus": "rgba(0, 0, 0, 0)",
      "toolbar_field_focus": "rgba(11, 11, 11, 0)",
      "tab_loading": "rgba(248, 248, 248, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fb72230a-590d-4936-992a-fe2d105b795a}"
    }
  }
}