Examine source code of Simply Elegant Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Simply Elegant Green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-018-0ca3dfc7bb661ec53999d358812ce0ab.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(240, 240, 240)",
      "toolbar_text": "rgb(61, 84, 67)",
      "frame": "rgb(173, 213, 136)",
      "tab_background_text": "rgb(61, 84, 67)",
      "toolbar_field": "rgb(240, 240, 240)",
      "toolbar_field_text": "rgb(61, 84, 67)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(61, 84, 67)",
      "icons_attention": "rgb(59, 150, 82)",
      "ntp_background": "rgb(240, 240, 240)",
      "sidebar_text": "rgb(61, 84, 67)",
      "sidebar": "rgb(240, 240, 240)",
      "toolbar_bottom_separator": "rgb(240, 240, 240)",
      "toolbar_field_border_focus": "rgb(173, 213, 136)",
      "toolbar_field_highlight": "rgb(173, 213, 136)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4f6c5b6-64b4-4b18-bdd5-1abc70e80096}"
    }
  }
}