Examine source code of Purple Dissonance

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Dissonance",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-037-b73f9b34467ba541de861f5b4c0c6316.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(33, 5, 48)",
      "toolbar_text": "rgb(251, 233, 255)",
      "frame": "rgb(64, 34, 74)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(250, 239, 255)",
      "tab_line": "rgb(184, 35, 205)",
      "popup": "rgb(39, 27, 45)",
      "popup_text": "rgb(255, 255, 255)",
      "frame_inactive": "rgba(245, 2, 255, 0.15)",
      "icons": "rgb(250, 174, 255)",
      "tab_loading": "rgb(184, 35, 205)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e812be8e-f9d1-46cb-a6df-733a3d0ffe3b}"
    }
  }
}