<!DOCTYPE html>
<html lang="en">

<body>
  <div class="parent">
    <div class="child">Item-1</div>
    <div class="child" id="two">Item-2</div>
    <div class="child">Item-3</div>
  </div>
</body>

</html>
body {
  margin: 0;
  padding: 0;
  background: lightyellow;
}

.parent {
  margin: 30vh;
  padding: 20px;
  border: 2px solid orange;

  display: flex;
  justify-content: center;
  gap: 20px;

  position: relative; // breaks flexbox context

  .child {
    border: 2px solid red;
    padding: 10px;
    background: white;
  }

  #two {
    position: absolute; // overrides flex parent justify-content
    bottom: -42px;
  }
}
View Compiled
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