Examine source code of DArc RedPink

{
  "manifest_version": 2,
  "name": "DArc Red",
  "author": "Tom molio",
  "version": "2023.2.7",
  "theme": {
    "colors": {
      "frame": "rgb(39, 44, 55)",
      "frame_inactive": "rgb(39, 44, 55)",
      "tab_text": "#D3DAE3",
      "tab_line": "rgb(248, 112, 140)",
      "tab_loading": "rgb(248, 112, 140)",
      "tab_selected": "rgb(68, 78, 101)",
      "tab_background_text": "rgb(233, 235, 242)",
      "tab_background_separator": "rgba(255, 255, 255, 0.5)",
      "icons": "#D3DAE3",
      "icons_attention": "#5294E2",
      "toolbar": "rgb(46, 52, 64)",
      "toolbar_text": "rgb(233, 235, 242)",
      "toolbar_top_separator": "#272A34",
      "toolbar_bottom_separator": "#2B2E39",
      "toolbar_vertical_separator": "#2B2E39",
      "toolbar_field": "rgb(59, 66, 82)",
      "toolbar_field_text": "rgb(233, 235, 242)",
      "toolbar_field_border": "rgb(184, 53, 102)",
      "toolbar_field_separator": "rgba(255,255,255,0.2)",
      "toolbar_field_focus": "#404552",
      "toolbar_field_border_focus": "rgb(184, 53, 102)",
      "toolbar_field_highlight": "#5294E2",
      "toolbar_field_highlight_text": "#FFFFFF",
      "button_background_hover": "rgb(107, 104, 121)",
      "button_background_active": "rgb(248, 112, 140)",
      "bookmark_text": "#D3DAE3",
      "popup": "rgb(59, 66, 82)",
      "popup_text": "rgb(233, 235, 242)",
      "popup_border": "rgb(248, 112, 140)",
      "popup_highlight": "#5294E2",
      "popup_highlight_text": "#FFFFFF",
      "sidebar": "#383C4A",
      "sidebar_text": "#D3DAE3",
      "sidebar_border": "#2B2E39",
      "sidebar_highlight": "rgb(205, 114, 58)",
      "sidebar_highlight_text": "#FFFFFF",
      "ntp_text": "rgb(248, 112, 140)",
      "ntp_background": "rgb(81, 29, 239)"
    },
    "properties": {
      "color_scheme": "dark",
      "panel_hover": "color-mix(in srgb, currentColor 9%, transparent)",
      "panel_active": "color-mix(in srgb, currentColor 14%, transparent)",
      "panel_active_darker": "color-mix(in srgb, currentColor 25%, transparent)",
      "toolbar_field_icon_opacity": "1",
      "zap_gradient": "linear-gradient(90deg, #9059FF 0%, #FF4AA2 52.08%, #FFBD4F 100%)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae249b4b-b9f9-41bc-9681-bd17824ece1d}"
    }
  }
}