Examine source code of Green Side

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Green Side",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(112, 248, 171)",
      "toolbar_text": "rgb(112, 200, 248)",
      "frame": "rgb(112, 200, 248)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(112, 200, 248)",
      "tab_line": "rgb(51, 188, 141)",
      "popup": "rgb(51, 188, 141)",
      "popup_text": "rgb(23, 88, 124)",
      "button_background_hover": "rgb(123, 161, 206)",
      "icons": "rgb(19, 169, 204)",
      "ntp_background": "rgb(57, 147, 168)",
      "ntp_text": "rgb(62, 163, 217)",
      "popup_border": "rgb(55, 111, 124)",
      "sidebar_border": "rgb(76, 184, 203)",
      "sidebar_highlight_text": "rgb(38, 197, 229)",
      "sidebar_text": "rgb(63, 80, 83)",
      "tab_loading": "rgb(51, 188, 141)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc2c7fc5-223a-469c-a595-918345abbdb5}"
    }
  }
}