ith 'align-items: center'</title>
  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
  <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-containers">
  <link rel="match" href="flexbox-overflow-horiz-002-ref.html">
  <style>
    .flexContainer {
      background: purple;
      display: flex;
      align-items: center;
      width: 70px;
      height: 70px;
      float: left;
      margin-right: 5px;
    }
    .bigItem {
      background: blue;
      height: 10px;
  