Examine source code of pink cuteness

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "pink cuteness",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-003-31b6bea3c78e3a19fd889b0389652a94.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(239, 235, 238)",
      "toolbar_text": "rgb(159, 141, 156)",
      "frame": "rgb(228, 224, 228)",
      "tab_background_text": "rgb(159, 141, 156)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(159, 141, 156)",
      "tab_line": "rgb(159, 141, 156)",
      "popup": "rgb(252, 243, 252)",
      "popup_text": "rgb(159, 141, 156)",
      "tab_loading": "rgb(159, 141, 156)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{89dd4d3d-fe89-48f8-8743-4139a80bc1eb}"
    }
  }
}