<!DOCTYPE html>
<html>
<head>
<style>
body {
    margin: 0px;
    padding: 8px;
}
</style>
</head>
<body>
<div style="position: relative; top: auto; bottom: 8px; width: 30px; height: 20px;"></div>
<div style="position: relative; top: 10px; bottom: 18px; width: 30px; height: 40px;"></div>
<div style="position: relative; bottom: 28px; width: 30px; height: 70px;"></div>
</body>
</html>