Examine source code of Hello Kitty

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "meowkitty",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(11, 12, 13)",
      "toolbar_text": "rgba(242, 154, 199, 0.63)",
      "frame": "rgb(11, 12, 13)",
      "tab_background_text": "rgb(242, 154, 199)",
      "toolbar_field": "rgb(11, 12, 13)",
      "toolbar_field_text": "rgba(242, 154, 199, 0.63)",
      "tab_line": "rgba(242, 154, 199, 0.63)",
      "popup": "rgb(11, 12, 13)",
      "popup_text": "rgba(242, 154, 199, 0.63)",
      "button_background_active": "rgb(23, 25, 26)",
      "button_background_hover": "rgba(36, 32, 34, 0)",
      "frame_inactive": "rgb(11, 12, 13)",
      "icons_attention": "rgba(242, 154, 199, 0.63)",
      "icons": "rgba(242, 154, 199, 0.63)",
      "ntp_background": "rgb(11, 12, 13)",
      "ntp_text": "rgba(242, 154, 199, 0.63)",
      "popup_border": "rgba(242, 154, 199, 0.63)",
      "popup_highlight_text": "rgba(242, 154, 199, 0.63)",
      "popup_highlight": "rgba(242, 154, 199, 0.2)",
      "tab_selected": "rgba(242, 154, 199, 0)",
      "tab_text": "rgba(242, 154, 199, 0.63)",
      "toolbar_bottom_separator": "rgba(242, 154, 199, 0)",
      "toolbar_field_border_focus": "rgba(242, 154, 199, 0.35)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgba(242, 154, 199, 0.35)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgba(242, 154, 199, 0.63)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d40d9147-ddf8-43cc-ad95-a157cd7bbaef}"
    }
  }
}