HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>CSS grid-column Sidebar Example</title>
  <style>
    body {
      font-family: system-ui, sans-serif;
      padding: 1.5rem;
      line-height: 1.6;
    }

    .layout {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-auto-rows: minmax(8rem, auto);
      gap: 10px;
      max-width: 32rem;
    }

    .sidebar {
      grid-column: 1 / 2;
      background: #fecaca;
      color: #991b1b;
      padding: 1rem;
      border-radius: 0.35rem;
      font-weight: 600;
    }

    .main {
      grid-column: 2 / 4;
      background: #bbf7d0;
      color: #166534;
      padding: 1rem;
      border-radius: 0.35rem;
    }
  </style>
</head>
<body>
  <h1>Sidebar and Main Content</h1>
  <div class="layout">
    <aside class="sidebar">Sidebar</aside>
    <main class="main">Main content area spanning two columns.</main>
  </div>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS grid-column Property - Sidebar Layout