<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Grid Item Span Example</title>
  <style>
    .container {
      display: grid;
      grid-template-columns: 100px 100px 100px;
      grid-template-rows: 100px 100px 100px;
      gap: 10px;
      padding: 20px;
      background-color: #f5f5f5;
    }

.box {
      background-color: #4ecdc4;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      border-radius: 4px;
    }

.item {
      background-color: #ff6b6b;
      grid-column: 1 / 3;  /* Spans columns 1 and 2 */
      grid-row: 2 / 3;     /* Stays in row 2 */
    }
  </style>
</head>
<body>

<div class="container">
    <div class="box">1</div>
    <div class="box">2</div>
    <div class="box">3</div>
    <div class="item">Spans 2 Columns</div>
    <div class="box">5</div>
    <div class="box">6</div>
  </div>

</body>
</html>