HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <title>background: center / cover</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 16px;
      color: #0f172a;
    }

    p {
      margin: 0 0 12px;
      max-width: 40rem;
      line-height: 1.5;
    }

    div {
      height: 140px;
      padding: 16px;
      color: #fff;
      background: #0f172a linear-gradient(135deg, #2563eb, #7c3aed) no-repeat center / cover;
    }
  </style>
</head>
<body>
  <p>The slash separates position from size. <strong>center / cover</strong> places the gradient and scales it to fill the box.</p>
  <div>Hero fill</div>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS background Property — center / cover