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Test Info:

<!DOCTYPE html>
<link rel=author href="mailto:vmpstr@chromium.org">
<canvas>
<details>
<card card>
<script>
async function trigger() {
document.querySelector("canvas").style.setProperty("container-type", "size");
document.querySelector("canvas").style.setProperty("column-span", "all");
document.querySelector("card").setAttribute("contenteditable", "true");
}
onload = requestAnimationFrame(() => requestAnimationFrame(trigger));
</script>