transform-text-first-line.html | Explore in Territory

<!DOCTYPE html>
<style>
p {
  font-family: Ahem;
  line-height: 2;
  width: 20ch;
}
p::first-line { text-transform: uppercase; }
</style>
<p>Pppp pp p pppppppp pppp PPPP pppppppppppp</p>

chromium/third_party/blink/web_tests/virtual/text-antialias/transform-text-first-line.html