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<!DOCTYPE html>
<html>
<head>
<style>
#container {
  block-size: 100%;
  aspect-ratio: 1;
  border: solid black 1px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  writing-mode: vertical-rl;
}
#container > div {
  inline-size: 40%;
  aspect-ratio: 1;
  margin: 2px;
  background-color: coral;
}
#myDiv {
  border: solid black 3px;
  place-self: end;
}
</style>
</head>
<body>
<h1>The place-self Property</h1>
<p>The writing-mode property value 'vertical-rl' affects the placement of the grid item placed with place-self property value 'end'. End in block direction is now to the left, and end in inline direction is now at the bottom.</p>
<div id="container">
  <div>Normal div</div>
  <div id="myDiv">myDiv</div>
  <div>Normal div</div>
  <div>Normal div</div>
</div>
</body>