Examine source code of Dark theme pastel red

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark theme pastel red",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(173, 58, 58, 0.67)",
      "toolbar_text": "rgba(255, 255, 255, 0.75)",
      "frame": "rgb(28, 28, 28)",
      "tab_background_text": "rgb(166, 166, 166)",
      "toolbar_field": "rgba(0, 0, 0, 0.7)",
      "toolbar_field_text": "rgba(238, 190, 190, 0.8)",
      "tab_line": "rgba(173, 58, 58, 0.67)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgba(238, 190, 190, 0.8)",
      "icons": "rgba(255, 255, 255, 0.65)",
      "ntp_background": "rgb(18, 18, 18)",
      "popup_border": "rgb(173, 58, 58)",
      "sidebar_border": "rgb(173, 58, 58)",
      "tab_loading": "rgb(173, 58, 58)",
      "tab_selected": "rgba(0, 0, 0, 0.5)",
      "toolbar_field_border_focus": "rgb(173, 58, 58)",
      "toolbar_top_separator": "rgb(0, 0, 0)"
    }
  }
}