Examine source code of vriskat

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "bo",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(255, 99, 141)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(202, 203, 212)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(202, 203, 212)",
      "tab_line": "rgb(255, 99, 141)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(255, 99, 141)",
      "button_background_active": "rgb(70, 62, 103)",
      "button_background_hover": "rgb(70, 62, 103)",
      "ntp_background": "rgb(0, 0, 0)",
      "popup_border": "rgb(0, 0, 0)",
      "popup_highlight_text": "rgb(255, 186, 204)",
      "popup_highlight": "rgb(70, 62, 103)",
      "toolbar_field_focus": "rgb(0, 0, 0)",
      "toolbar_field_highlight_text": "rgb(255, 186, 204)",
      "toolbar_field_highlight": "rgb(70, 62, 103)",
      "toolbar_vertical_separator": "rgb(255, 186, 204)",
      "tab_loading": "rgb(255, 99, 141)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a209581b-1152-467e-b2c8-fb30fe9692b3}"
    }
  }
}