Examine source code of Simple and Natural Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Simple and Natural Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(233, 234, 216)",
      "toolbar_text": "rgb(71, 62, 13)",
      "frame": "rgb(198, 215, 145)",
      "tab_background_text": "rgb(79, 73, 38)",
      "toolbar_field": "rgb(242, 245, 232)",
      "toolbar_field_text": "rgb(30, 93, 26)",
      "tab_line": "rgb(67, 42, 17)",
      "popup": "rgb(248, 255, 223)",
      "popup_text": "rgb(71, 62, 13)",
      "tab_loading": "rgb(67, 42, 17)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06fbc9a1-2933-44b3-a2a2-db733a6e094e}"
    }
  }
}