Examine source code of Comical Theme V2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Comical Theme V2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(43, 12, 173)",
      "toolbar_text": "rgb(0, 255, 193)",
      "frame": "rgb(50, 22, 115)",
      "tab_background_text": "rgb(0, 255, 179)",
      "toolbar_field": "rgb(0, 255, 179)",
      "toolbar_field_text": "rgb(0, 154, 158)",
      "tab_line": "rgb(0, 255, 179)",
      "popup": "rgb(0, 255, 186)",
      "popup_text": "rgb(0, 189, 189)",
      "tab_loading": "rgb(0, 255, 179)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1d3f7f52-9454-4710-a73b-1982e72bf22f}"
    }
  }
}