Examine source code of Vectorfunkish

{
  "theme": {
    "images": {
      "additional_backgrounds": [
        "VectorFunkTile.png"
      ]
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000",
      "tab_selected": "#000000",
      "tab_loading": "#f71b02",
      "tab_text": "#ffffff",
      "toolbar_text": "#000000",
      "toolbar_field_text": "#000000",
      "toolbar_field": "#ffffff",
      "icons": "#000000"
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ],
      "content_color_scheme": "auto"
    }
  },
  "version": "2.0",
  "name": "Vectorfunkish",
  "manifest_version": 2,
  "description": "Modified version of the Vector Funk theme. Art - Vectorfunk Abstract Geometry. Created by Matt W. Moore (MWM Graphics). Portland, Maine USA.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{c53b44fa-f141-4b01-aca7-96374e27064f}"
    }
  }
}