<!DOCTYPE html>
<style>
.result {
  margin: 20px 0;
  background: green;
}
</style>
<div class="result" style="width: 100px; height: 100px;"></div>
<div class="result" style="width: 100px; height: 150px;"></div>
<div class="result" style="width: 100px; height: 50px;"></div>
<div class="result" style="width: 100px; height: 100px;"></div>
<div class="result" style="width: 150px; height: 100px;"></div>
<div class="result" style="width: 50px; height: 100px;"></div>
