<!DOCTYPE html>
<html>
<head>
<style>
.grid-container {
display: grid;
grid-template-columns: auto auto auto;
gap: 10px;
background-color: dodgerblue;
padding: 10px;
}
.grid-container > div {
background-color: #f1f1f1;
color:#000;
padding: 10px;
font-size: 30px;
text-align: center;
}
@media only screen and (max-width: 500px) {
.item1 {grid-area: 1 / span 3;}
.item2 {grid-area: 3 / 3;}
.item3 {grid-area: 2 / 1;}
.item4 {grid-area: 2 / 2 / span 2;}
.item5 {grid-area: 3 / 1;}
.item6 {grid-area: 2 / 3;}
}
</style>
</head>
<body>
<h1>Re-arrange the Order on Small Devices</h1>
<p>Resize the window to 500 pixels see the effect.</p>
<div class="grid-container">
<div class="item1">1</div>
<div class="item2">2</div>
<div class="item3">3</div>
<div class="item4">4</div>
<div class="item5">5</div>
<div class="item6">6</div>
</div>