Flash Loader

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Flash Loader</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
      margin: 0;
    }
    .loader {
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .loader .icon {
      font-size: 4rem;
      animation: flash 1s infinite;
    }
    .loader .text {
      font-size: 1.5rem;
      margin-top: 20px;
      color: #fff;
      animation: flash 1.5s infinite;
    }
    @keyframes flash {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
  </style>
</head>
<body>
  <div class="loader">
    <div class="icon">⚡</div>
    <div class="text">Loading...</div>
  </div>
  <script>
    document.addEventListener('DOMContentLoaded', () => {
      setTimeout(() => {
        document.querySelector('.loader').innerHTML = '<div class="icon">✅</div><div class="text">Loaded!</div>';
      }, 5000);
    });
  </script>
</body>
</html>

Flash Loader - VexaX