Examine source code of Aero Basic

{
  "manifest_version": 2,
  "version": "3.0",
  "name": "Aero Basic",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(211, 225, 238)",
      "toolbar_text": "rgb(87, 87, 87)",
      "frame": "rgb(243, 249, 255)",
      "tab_background_text": "rgb(87, 87, 87)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(87, 87, 87)",
      "tab_line": "rgb(211, 225, 238)",
      "popup": "rgb(240, 240, 240)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(137, 174, 222)",
      "button_background_hover": "rgb(169, 196, 222)",
      "popup_border": "rgb(155, 155, 155)",
      "toolbar_bottom_separator": "rgb(155, 155, 155)",
      "toolbar_field_border": "rgb(155, 155, 155)",
      "toolbar_top_separator": "rgba(101, 33, 33, 0)",
      "tab_loading": "rgb(211, 225, 238)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3cacba6-542d-4a07-967e-0bb1ada26219}"
    }
  }
}