<!DOCTYPE html>
<!--
iframes have an intrinsic size of 300x150
-->
<style>
    @import "resources/height-keyword-classes.css";

    body * {
      border: 2px solid red;
      padding: 5px;
      clear: both;
    }

    .container {
      height: 600px;
      border-color: blue;

      display: inline-block;
      width: 100px;
    }

    .position-container {
      border-color: green;
      position: relative;
      height: 180px;
    }

    .position-container > * {
      position: absolute;
      border: 5px solid pink;
      width: 50px;
    }

    .f-a-container {
      height: 100%;
      box-sizing: border-box;
    }

    .small {
      height: 1px;
    }

    .big {
      height: 300px;
    }

    .really-big {
      height: 1000px;
    }
</style>
<div class="container">
  <div class="position-container">
    <iframe class="min-content">
    </iframe>
  </div>
  <div class="position-container">
    <iframe class="max-content">
    </iframe>
  </div>
  <div class="position-container">
    <iframe class="fit-content">
    </iframe>
  </div>
</div>

<div class="container">
  <div class="position-container f-a-container">
    <iframe class="fill-available">
    </iframe>
  </div>
</div>

<div class="container">
  <div class="position-container">
    <iframe class="small min-height-min-content">
    </iframe>

  </div>
  <div class="position-container">
    <iframe class="small min-height-max-content">
    </iframe>

  </div>
  <div class="position-container">
    <iframe class="small min-height-fit-content">
    </iframe>
  </div>
</div>

<div class="container">
  <div class="position-container f-a-container">
    <iframe class="small min-height-fill-available">
    </iframe>
  </div>
</div>

<div class="container">
  <div class="position-container">
    <iframe class="big max-height-min-content">
    </iframe>

  </div>
  <div class="position-container">
    <iframe class="big max-height-max-content">
    </iframe>

  </div>
  <div class="position-container">
    <iframe class="big max-height-fit-content">
    </iframe>
  </div>
</div>

<div class="container">
  <div class="position-container f-a-container">
    <iframe class="really-big max-height-fill-available">
    </iframe>
  </div>
</div>