Examine source code of Cutting limes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cutting limes",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-023-f741aad3989b46322a7840a425068429.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(210, 255, 125)",
      "toolbar_text": "rgb(1, 115, 0)",
      "frame": "rgb(159, 238, 82)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(1, 115, 0)",
      "tab_line": "rgb(250, 255, 0)",
      "popup": "rgb(232, 255, 127)",
      "popup_text": "rgb(1, 115, 0)",
      "tab_loading": "rgb(250, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d490464f-04c9-44af-a9c3-9d4cd8fd7a8d}"
    }
  }
}