<!doctype html>

<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />

    <title>CSS Cookbook: columns with grid</title>

    <link rel="stylesheet" href="styles.css" />

    <style>
      .container {
        border: 2px solid rgb(75 70 74);
        border-radius: 0.5em;
        padding: 20px;
        width: 500px;
      }

      .container > * {
        padding: 10px;
        border: 2px solid rgb(95 97 110);
        border-radius: 0.5em;
      