Examine source code of Green touch

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Green touch",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(107, 188, 158)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(3, 10, 12)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(30, 40, 39)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(107, 188, 158)",
      "popup": "rgb(44, 59, 58)",
      "popup_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(107, 188, 158)",
      "toolbar_field_border": "rgb(107, 188, 158)",
      "toolbar_top_separator": "rgb(107, 188, 158)",
      "tab_loading": "rgb(107, 188, 158)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{266fc893-5a07-4dbd-957d-547a14d858f5}"
    }
  }
}