<!DOCTYPE html>
<link rel="help"
  href="https://drafts.csswg.org/css-sizing-3/#valdef-width-fit-content-length-percentage">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
<meta name="assert"
  content="max-width: fit-content works when there is no definite available size. Chrome 105 treated fit-content as min-content in this scenario.">
<style>
  #reference-overlapped-red {
    position: absolute;
    background-color: red;
    width: 100px;
    height: 100px;
    z-index: -1;
 