Examine source code of grunge creepycute elf theme gray & green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "elf",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(92, 52, 15, 0.11)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(192, 167, 209)",
      "tab_background_text": "rgb(63, 36, 11)",
      "toolbar_field": "rgba(43, 116, 79, 0.24)",
      "toolbar_field_text": "rgb(6, 32, 44)",
      "tab_line": "rgb(26, 78, 23)",
      "popup": "rgb(151, 149, 117)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(224, 215, 116, 0.67)",
      "button_background_hover": "rgba(175, 232, 221, 0.69)",
      "frame_inactive": "rgb(191, 182, 107)",
      "icons_attention": "rgba(216, 66, 24, 0.93)",
      "icons": "rgb(244, 255, 193)",
      "ntp_background": "rgba(189, 202, 120, 0.32)",
      "ntp_text": "rgb(92, 52, 15)",
      "popup_border": "rgb(26, 78, 23)",
      "sidebar_highlight_text": "rgb(175, 232, 221)",
      "sidebar_highlight": "rgba(241, 236, 146, 0.92)",
      "sidebar_text": "rgb(92, 52, 15)",
      "tab_background_separator": "rgb(26, 78, 23)",
      "tab_loading": "rgb(216, 81, 24)",
      "tab_selected": "rgba(216, 81, 24, 0.68)",
      "toolbar_bottom_separator": "rgb(156, 84, 125)",
      "toolbar_field_border_focus": "rgb(252, 109, 0)",
      "toolbar_field_border": "rgba(26, 78, 23, 0.32)",
      "toolbar_field_focus": "rgba(65, 96, 41, 0.3)",
      "toolbar_field_highlight_text": "rgb(3, 27, 24)",
      "toolbar_field_highlight": "rgba(65, 96, 41, 0.43)",
      "toolbar_top_separator": "rgb(156, 84, 125)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{361e6fbe-7c0f-49e1-81ae-08492b3ef349}"
    }
  }
}