<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.grid-box1 {
grid-area: 1 / 1 / 2 / 2;
}
.grid-box2 {
grid-area: 1 / 2 / 2 / 3;
}
.grid-box3 {
grid-area: 1 / 3 / 2 / 4;
}
.grid-box4 {
grid-area: 2 / 1 / 3 / 2;
}
.grid-box5 {
grid-area: 2 / 2 / 3 / 3;
}
.grid-box6 {
grid-area: 2 / 3 / 3 / 4;
}
.grid-container {
display: grid;
grid-auto-rows: 100px;
grid-gap: 10px;
background-color: #1c87c9;
padding: 10px;
}
.grid-container > div {
background-color: #eee;
text-align: center;
padding: 20px 0;
font-size: 25px;
}