first-letter-opacity-float-001-ref.html

<!DOCTYPE html>
<style>
/* Disable kerning because kerning may differ for different node tree. */
html { font-kerning: none; font-feature-settings: "kern" off; }
</style>
<div><span style="opacity:0.5">P</span>ASS</div>

chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/first-letter-opacity-float-001-ref.html