<!DOCTYPE html>
<html>
<head>
<style>
html, body {
    margin: 0;
    font-size: 0;
}
div {
    position: absolute;
    top: 25px;
    left: 125px;
    width: 50px;
    height: 50px;
    background: purple;
}
</style>
</head>
<body>
<div></div>
</body>
</html>


