grid area practiceII.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>grid area practice II</title>
    <meta content="width=device-width, initial-scale=1.0" name="viewport" />
    <style>
      .container {
        display: grid;
        grid-template-columns: 100px 300px 300px;
        grid-template-rows: 250px 600px;
        grid-template-areas:
          "hd hd hd hd"
          "sd main main main"
          "ft ft ft ft";
        border: 7px solid black;
      }

      .box {
        border: 1px solid silver;
        background: goldenrod;
      }

      .header {
        grid-area: hd;
      }

      .sidebar {
        grid-area: sd;
      }

      .main {
        grid-area: main;
      }

      .footer {
        grid-area: ft;
      }
    </style>
  </head>

  <body>
    <div class="container">
      <div class="header box">Header</div>
      <div class="sidebar box">Sidebar</div>
      <div class="main box">Main</div>
      <div class="footer box">Footer</div>
    </div>
  </body>
</html>