Examine source code of PROfessional

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "PROfessional",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(178, 255, 0)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(48, 48, 48, 0.65)",
      "toolbar_field_text": "rgb(179, 255, 0)",
      "tab_line": "rgb(179, 255, 0)",
      "popup": "rgb(48, 48, 48)",
      "popup_text": "rgb(179, 255, 0)",
      "button_background_active": "rgba(0, 0, 0, 0.75)",
      "button_background_hover": "rgba(0, 0, 0, 0.75)",
      "icons_attention": "rgb(248, 255, 0)",
      "icons": "rgb(0, 255, 14)",
      "ntp_background": "rgba(0, 0, 0, 0.5)",
      "popup_border": "rgb(0, 0, 0)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(40, 55, 20)",
      "tab_loading": "rgb(255, 14, 0)",
      "tab_selected": "rgba(0, 0, 0, 0.5)",
      "tab_text": "rgb(152, 255, 0)",
      "toolbar_bottom_separator": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgb(178, 255, 0)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0.5)",
      "toolbar_field_highlight": "rgba(178, 255, 0, 0.5)",
      "toolbar_field_text_focus": "rgba(178, 255, 0, 0.5)",
      "toolbar_top_separator": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c209f9ef-b494-4694-bd59-2af745c08799}"
    }
  }
}