Examine source code of MaterialFox Red

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Material Ocean",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(14, 17, 26)",
      "toolbar_text": "rgb(255, 65, 81)",
      "frame": "rgb(14, 17, 26)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(39, 22, 32)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(0, 0, 0, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(14, 17, 26)",
      "popup_border": "rgba(14, 17, 26, 0)",
      "tab_background_separator": "rgba(14, 17, 26, 0)",
      "tab_loading": "rgb(14, 17, 26)",
      "toolbar_bottom_separator": "rgba(0, 0, 0, 0)",
      "toolbar_field_border_focus": "rgba(14, 17, 26, 0)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgb(0, 0, 0)",
      "toolbar_vertical_separator": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f48fb51b-6047-4f08-a34e-44aaefdf7b16}"
    }
  }
}