Examine source code of ChipStyle

{
  "manifest_version": 2,
  "version": "2.1",
  "name": "Zoology",
  "theme": {
    "images": {
      "theme_frame": "firefox.png"
    },
    "colors": {
      "frame": "#190212",
      "frame_inactive": "#310521",
      "toolbar": "#310521",
      "toolbar_top_separator": "#4a072c",
      "toolbar_bottom_separator": "#4a072c",
      "toolbar_vertical_separator": "#4a072c",
      "toolbar_field": "#4a072c",
      "toolbar_field_border": "#620a33",
      "toolbar_field_text": "#f8bac1",
      "toolbar_field_focus": "#310521",
      "toolbar_field_border_focus": "#e92650",
      "toolbar_field_text_focus": "#ffffff",
      "toolbar_field_highlight": "#ffffff",
      "toolbar_field_highlight_text": "#4a072c",
      "toolbar_field_separator": "#620a33",
      "bookmark_text": "#e92650",
      "toolbar_text": "#e92650",
      "icons": "#e92650",
      "button_background_hover": "#620a33",
      "button_background_active": "#4a072c",
      "icons_attention": "#ffffff",
      "popup": "#310521",
      "popup_border": "#e92650",
      "popup_text": "#ffffff",
      "popup_highlight": "#940f42",
      "popup_highlight_text": "#ffffff",
      "sidebar": "#310521",
      "sidebar_border": "#e92650",
      "sidebar_text": "#ffffff",
      "sidebar_highlight": "#940f42",
      "sidebar_highlight_text": "#ffffff",
      "tab_text": "#ffffff",
      "tab_selected": "#4a072c",
      "tab_background_text": "#e92650",
      "tab_line": "#e92650",
      "tab_loading": "#e92650",
      "tab_background_separator": "#620a33",
      "ntp_background": "#190212",
      "ntp_card_background": "#e92650",
      "ntp_text": "#ffffff"
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "system"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7a8d4b5d-0e6a-49a2-bf8d-6dac57a69a10}"
    }
  }
}