Examine source code of Green Waves 2.0

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Green Waves",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(174, 203, 161, 0.57)",
      "toolbar_text": "rgb(33, 47, 29)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(68, 90, 61)",
      "toolbar_field": "rgb(215, 236, 204)",
      "toolbar_field_text": "rgb(33, 47, 29)",
      "tab_line": "rgb(69, 106, 58)",
      "popup": "rgb(150, 166, 140)",
      "popup_text": "rgb(33, 47, 29)",
      "popup_border": "rgb(47, 62, 42)",
      "tab_loading": "rgb(69, 106, 58)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dfe8eca0-9de2-42c7-921c-fc1edc403441}"
    }
  }
}