background-clip-2-ref.html

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<!DOCTYPE html>

<html>

  <body>

    <div style="padding: 10px;

                width: 100px;

                height: 100px;

                border: 10px solid black">

      <div style="width: 100px; height: 100px; background: black">

      </div>

    </div>

  </body>

</html>