Examine source code of SmoothCriminal

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Smooth Criminal",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(194, 194, 194)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(194, 194, 194)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(255, 255, 255, 0.5)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(0, 0, 0, 0.25)",
      "popup": "rgb(198, 198, 198)",
      "popup_text": "rgb(0, 0, 0)",
      "icons_attention": "rgb(0, 0, 0)",
      "ntp_background": "rgba(59, 59, 59, 0.5)",
      "popup_border": "rgba(194, 194, 194, 0.5)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(194, 194, 194)",
      "sidebar_highlight": "rgb(212, 220, 186)",
      "sidebar": "rgb(194, 194, 194)",
      "tab_loading": "rgb(0, 0, 0)",
      "tab_selected": "rgb(212, 220, 186)",
      "toolbar_bottom_separator": "rgba(0, 0, 0, 0.5)",
      "toolbar_field_border_focus": "rgba(212, 220, 186, 0.75)",
      "toolbar_field_border": "rgba(212, 220, 186, 0.5)",
      "toolbar_field_focus": "rgb(212, 220, 186)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(194, 194, 194)",
      "toolbar_field_text_focus": "rgb(0, 0, 0)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e8edc46-e201-4395-a1f6-bd63b430fefe}"
    }
  }
}