Examine source code of Material-Dark-Forest

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Material-Dark-Forest",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(0, 36, 41)",
      "toolbar_text": "rgb(142, 208, 220)",
      "frame": "rgb(0, 36, 41)",
      "tab_background_text": "rgb(142, 208, 220)",
      "toolbar_field": "rgb(0, 20, 23)",
      "toolbar_field_text": "rgb(142, 208, 220)",
      "tab_line": "rgb(142, 208, 220)",
      "popup": "rgb(0, 20, 23)",
      "popup_text": "rgb(142, 208, 220)",
      "ntp_background": "rgb(0, 36, 41)",
      "ntp_text": "rgb(142, 208, 220)",
      "popup_border": "rgb(142, 208, 220)",
      "popup_highlight_text": "rgb(36, 69, 73)",
      "popup_highlight": "rgb(142, 208, 220)",
      "sidebar": "rgb(0, 20, 23)",
      "sidebar_border": "rgb(36, 69, 73)",
      "sidebar_highlight_text": "rgb(36, 69, 73)",
      "sidebar_highlight": "rgb(142, 208, 220)",
      "sidebar_text": "rgb(142, 208, 220)",
      "toolbar_field_border_focus": "rgb(142, 208, 220)",
      "toolbar_field_border": "rgb(36, 69, 73)",
      "toolbar_field_highlight_text": "rgb(36, 69, 73)",
      "toolbar_field_highlight": "rgb(142, 208, 220)",
      "toolbar_field_text_focus": "rgb(142, 208, 220)",
      "toolbar_top_separator": "rgb(142, 208, 220)",
      "toolbar_vertical_separator": "rgb(142, 208, 220)",
      "tab_loading": "rgb(142, 208, 220)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{84a237dc-7559-4934-b750-ea8beb15df7a}"
    }
  }
}