<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    .container {
        width: 900px;
        height: 900px;
        border: 2px solid black;
        margin: 20px;
    }

    .grid {
        display: grid;
        grid-template-columns: repeat(4, 10rem);
        grid-template-rows: 800px;
        justify-content: center;
        position: relative;
        height: 800px;
        width: 40rem;
        padding: 20px;
        gap: 10px;
        border: 1px dashed #999;
    }

    .abspos-firs