Examine source code of NPCFISH Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "NPCFISH Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(247, 37, 133, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(207, 131, 234)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(193, 109, 249)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(188, 46, 239)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d9412c6c-a7e6-4579-83b9-4c3cdb603dd8}"
    }
  }
}