Source code:
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title> Webpage Loader Animation </title>
<style>
body {
margin: 0;
padding: 0;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(120deg, #6a11cb, #2575fc);
font-family: Arial, sans-serif;
overflow: hidden;
}
.loader-container {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
background: rgba(0, 0, 0, 0.8);
z-index: 10;
transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loader {
border: 8px solid green;
border-top: 8px solid yellow;
border-radius: 50%;
width: 50px;
height: 50px;
animation: spin 1.5s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.main-content {
display: none;
text-align: center;
color: white;
font-size: 2rem;
}
.main-content.active {
display: block;
}
</style>
</head>
<body>
<div class=”loader-container”>
<div class=”loader”></div>
</div>
<div class=”main-content”>
This is the main page!
</div>
<style>
body.loaded .loader-container{
opacity: 0;
visibility: hidden;
}
body.loaded .main-content {
display: block;
}
</style>
<script>
window.onload = function() {
document.body.classList.add(‘loaded’);
}
</script>
</body>
</html>
