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 transition-duration Button</title>

  <style>

    body {

      font-family: system-ui, sans-serif;

      padding: 20px;

      background: #0f172a;

      color: #e2e8f0;

    }



    .btn {

      padding: 0.65rem 1.25rem;

      background: #2563eb;

      color: #fff;

      border: none;

      border-radius: 0.4rem;

      font-size: 1rem;

      font-weight: 600;

      cursor: pointer;

      transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;

    }



    .btn:hover {

      background: #1d4ed8;

      transform: translateY(-2px);

      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);

    }



    .btn:active {

      transform: translateY(0);

      transition-duration: 0.05s;

    }

  </style>

</head>

<body>

  <h1>Quick Button Feedback</h1>

  <p>Short durations (0.15s) feel responsive for UI controls.</p>

  <button type="button" class="btn">Get started</button>

</body>

</html>

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CSS transition-duration Property - Button Feedback