<!DOCTYPE html>
<html>
<head>
    <style>
        .wrapper {
            display: grid;
            grid-template-rows: 100px 100px 100px;
            grid-template-columns: 100px;
            grid-auto-columns: min-content;
        }
        .box3 {
            grid-column-start: 2;
            grid-column-end: 4;
        }
        .box1 {
            grid-column-start: 1;
            grid-column-end: 3;
            grid-row-start: 1;
            grid-row-end: 3;
        }
        .wrapper {
            bo