простая анимация:
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div class="page">
<img src="btn-img.png" class="logo-in">
</div>
<p>текст</p>
</body>
<style>
*{
margin: 0;
padding: 0;
}
.page{
width: 100%;
height: 100%;
background-color: black;
display: flex;
position: absolute;
justify-content: center;
align-items: center;
}
.logo-in{
width: 100px;
height: 100px;
transition-duration: 1s;
}
.logo-in.bigger{
transform: scale(1.4);
transition-duration: 1s;
}
</style>
<script>
$(document).ready(function () {
$('.logo-in').addClass('bigger')
setTimeout(() => {
$('.page').fadeOut(100)
}, 800);
});
</script>
</html>
