364861-1-ref.html - mozsearch

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<!DOCTYPE html>

<html>

  <body>

    <div style="background: black;

                background-clip: padding-box;

                width: 400px;

                padding: 0;

                height: 300px;

                border: 100px solid rgba(255, 255, 0, 0.5);

                border-radius: 240px / 200px">

    </div>

  </body>

</html>