Examine source code of Pastel Cottagecore

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pastel Cottagecore",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 233, 233)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(176, 196, 132)",
      "tab_background_text": "rgb(255, 233, 233)",
      "toolbar_field": "rgb(252, 255, 243)",
      "toolbar_field_text": "rgb(89, 95, 72)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(252, 255, 243)",
      "popup_text": "rgb(248, 112, 140)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{088f4ca1-837c-47bf-9826-68499fbfb4fc}"
    }
  }
}