layout/reftests/bugs/491180-1.html


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<!DOCTYPE html>
<html>
  <button style="padding: 0; margin: 0; border: none; background: transparent; -moz-appearance: none; width: 0; height: 0; font: inherit; color: black">
    Some text <div style="background: green; width: 100px; height: 100px"></div>
  </button>