<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function boom()
{
document.body.style.overflow = "scroll";
c.style.visibility = "";
}
</script>
</head>
<body onload="boom();">
<div id="c" style="position: relative; transition: 2s; display: table-cell; bottom: 0.1vw;"></div>
</body>
</html>