<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>loaderbbb Example</title>
    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
    <style>
        
.loaderb {
  font-size: 48px;
  display: inline-block;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  color: #FFF;
  letter-spacing: 2px;
  position: relative;
  box-sizing: border-box;
}
.loaderb::after {
  content: 'Cargando';
  position: absolute;
  left: 0;
  top: 0;
  color: #263238;
  text-shadow: 0 0 2px #FFF, 0 0 1px #FFF, 0 0 1px #FFF;
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
  animation: animloaderb 6s linear infinite;
}

@keyframes animloaderb {
  0% {
    height: 100%;
  }
  100% {
    height: 0%;
  }
}


    </style>
</head>
<body>
    <!-- loaderbbb HTML Structure -->
   <br>
       <div><span class="loaderb">Cargando</span></div>
   

    <!-- Content of the Page -->
  

    <script>
        // Hide loaderbbb and show content after 3 seconds (example)
        window.addEventListener('load', () => {
            setTimeout(() => {
                document.getElementById('loaderbb').style.display = 'none';
                document.getElementById('content').style.display = 'block';
            }, 3000);
        });
    </script>
</body>
</html>

