Examine source code of Dark Cuteness

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Cuteness",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(36, 23, 30)",
      "toolbar_text": "rgb(244, 130, 196)",
      "frame": "rgb(47, 31, 38)",
      "tab_background_text": "rgb(255, 195, 228)",
      "toolbar_field": "rgb(104, 54, 81)",
      "toolbar_field_text": "rgb(255, 195, 228)",
      "tab_line": "rgb(244, 130, 196)",
      "popup": "rgb(36, 23, 30)",
      "popup_text": "rgb(255, 195, 228)",
      "tab_loading": "rgb(244, 130, 196)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e691fc8-a953-450f-a9a7-614ae88fbea5}"
    }
  }
}