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chromium/third_party/blink/web_tests/fast/css/inline-focus-ring-with-non-uniform-border-radius.html 

<!DOCTYPE html>
<style>
span {
  outline: auto black;
  font-size: 25px;
  font-family: ahem;
  color: yellow;
  border-radius: 20px 10px 40px 30px / 10px 20px 30px 40px;
}
</style>
<span style="outline-offset: -5px">TEXTTEXT<br>TEXT<br>TEXTTE</span>
<br><br>
<span>TEXTTEXT<br>TEXT<br>TEXTTEXT</span>
<br><br>
<span style="outline-offset: 5px">TEXTTEXT<br>TEXT<br>TEXTTE</span>
<br><br>
<div style="direction: rtl;">
<span style="outline-offset: -5px">TEXTTEXT<br>TEXT<br>TEXTTE</span>
<br><br>
<span>TEXTTEXT<br>TEXT<br>TEXTTEXT</span>
<br><br>
<span style="outline-offset: 5px">TEXTTEXT<br>TEXT<br>TEXTTE</span>
<br><br>
</div>