HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <title>@media (grid)</title>
  <style>
    .note {
      color: #64748b;
    }

    @media (grid) {
      .note {
        color: #0f172a;
        font-weight: 700;
      }
    }
  </style>
</head>
<body>
  <p class="note">Boolean (grid) matches grid-based devices only.</p>
</body>
</html>

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CSS grid Media Feature — boolean (grid)