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<!DOCTYPE html>
<html>
<head>
<style>
#container {
  width: 60%;
  aspect-ratio: 1/2;
  border: solid black 1px;
  display: flex;
  flex-wrap: wrap;
  place-items: start;
}
#container > div {
  padding: 40px;
  margin: 2px;
  
}
.normalDiv {
  background-color: coral;
}
#myDiv {
  border: solid black 3px;
  background-color: lightgreen;
  place-self: end stretch;
}
</style>
</head>
<body>
<h1>The place-self Property with flexbox</h1>
<p>When placing an individual flexbox item with the place-self property, the second value for justify-self will be ignored.</p>
<p><strong>Note: </strong> place-self property overwrites place-items property.</p>
<div id="container">
  <div class="normalDiv"></div>
  <div class="normalDiv"></div>
  <div id="myDiv"></div>