Examine source code of Dark Purple Theme

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Dark Purple Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(59, 57, 71)",
      "toolbar_text": "rgb(201, 177, 197)",
      "frame": "rgb(53, 51, 66)",
      "tab_background_text": "rgb(201, 177, 197)",
      "toolbar_field": "rgb(53, 51, 66)",
      "toolbar_field_text": "rgb(201, 177, 197)",
      "tab_line": "rgb(211, 134, 155)",
      "popup": "rgb(59, 57, 71)",
      "popup_text": "rgb(255, 224, 249)",
      "button_background_active": "rgb(41, 39, 48)",
      "button_background_hover": "rgb(47, 46, 57)",
      "icons": "rgb(201, 177, 197)",
      "ntp_background": "rgb(59, 57, 71)",
      "ntp_text": "rgb(236, 239, 244)",
      "popup_border": "rgb(211, 134, 155)",
      "popup_highlight_text": "rgb(255, 224, 249)",
      "popup_highlight": "rgb(97, 94, 118)",
      "sidebar_border": "rgb(75, 83, 102)",
      "sidebar_highlight_text": "rgb(239, 238, 227)",
      "sidebar_highlight": "rgb(90, 87, 109)",
      "sidebar_text": "rgb(239, 238, 227)",
      "sidebar": "rgb(53, 51, 66)",
      "tab_loading": "rgb(229, 227, 239)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{835f0b25-c6db-4a32-b5dc-15dd541ec8d6}"
    }
  }
}