Examine source code of Telefang Speed

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Telefang Speed",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(136, 141, 129)",
      "frame": "rgb(10, 46, 83)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(0, 46, 127, 0.7)",
      "toolbar_field_text": "rgb(0, 134, 255)",
      "tab_line": "rgb(0, 114, 255)",
      "popup": "rgb(38, 38, 38)",
      "popup_text": "rgb(0, 114, 255)",
      "tab_loading": "rgb(0, 114, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26e004a9-3c26-433d-91a3-a99d6a5a147f}"
    }
  }
}