<!DOCTYPE html>
<style>
div {
  position: absolute;
  width: 50px;
  height: 50px;
  background: green;
}
</style>
<div style="top: 50px; left: 50px"></div>
<div style="top: 100px; left: 50px"></div>
<div style="top: 100px; left: 100px"></div>
