greggman · June 17, 2026 08:45
diff --git a/README.md b/README.md
diff --git a/index.css b/index.css
 :root {
  color-scheme: light dark;
  background-color: Canvas;
 }
 iframe {
  color-scheme: initial;
  background-color: Canvas;
 }
diff --git a/index.html b/index.html
 <p>The iframe below should be white text on a black background</p>
 <iframe src="data:text/html,<!DOCTYPE html><style>:root { color-scheme: light dark; }</style><h1>Some Text in an iframe</h1>"></iframe>
diff --git a/index.js b/index.js
 /*bug-in-github-api-content-can-not-be-empty*/
diff --git a/jsGist.json b/jsGist.json
 {"name":"Iframe color-scheme issue (s2)","settings":{},"filenames":["index.html","index.css","index.js"]}
	<p>The iframe below should be white text on a black background</p>
	<iframe src="data:text/html,<!DOCTYPE html><style>:root { color-scheme: light dark; }</style><h1>Some Text in an iframe</h1>"></iframe>
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