<!DOCTYPE html>
<style>
body { writing-mode: vertical-lr; }
.container {
  background: green;
  width: 16px;
  border: solid black 3px;
  height: 400px;
  margin: 0 16px;
}

.large { width: 32px; }
</style>

There should be no red.
<div class="container"></div>

<div class="container"></div>

<div class="container large"></div>

<div class="container large"></div>

<div class="container"></div>

<div class="container"></div>

<div class="container large"></div>

<div class="container large"></div>

<div class="container"></div>

<div class="container"></div>

<div class="container large"></div>

<div class="container large"></div>