<!DOCTYPE html>
<html>
<head>
<style>
#container {
width: 100%;
aspect-ratio: 1;
margin: 10px 0;
border: solid black 1px;
display: grid;
grid-template-columns: repeat(3,1fr);
place-items: start;
}
#container > div {
padding: 20%;
margin: 2px;
}
.normal {
background-color: lightblue;
}
#myDiv {
background-color: coral;
}
</style>
</head>
<body>
<h1>Change place-self property with JavaScript</h1>
<p>Click the "Try it" button to change the place-self value of the orange grid item:</p>
<button onclick="myFunction()">Try it</button>
<div id="container">
<div class="normal"></div>
<div class="normal"></div>
<div class="normal"></div>
<div class="normal"></div>
<div class="normal"></div>