<!DOCTYPE html>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=768999">
<link rel="match" href="stretch-grid-item-checkbox-input-ref.html">
<div style="display: grid; width: 50px; height: 50px; grid-template: 50px / 50px;">
  <input type="checkbox" style="margin: 0;">
</div>