<!DOCTYPE HTML>
<html><head>
    <meta charset="utf-8">
    <title>Testcase for bug 789824</title>
    <style type="text/css">

        html,body {
            color:black; background-color:white; font-size:24px; padding:0; margin:0;
        }
	
div { padding:5px; }

hbox {
  display:-moz-box;
  border-top:3px solid;
  border-bottom:2px solid;
  padding-bottom:4px;
  height:auto;
  box-sizing:border-box;
  background:lime;
}

.cb {
  box-sizing:content-box;
  background:pink;
}

    </style>
</head>
<body>


<div><hbox style="height:20px;">border-box 20px</hbox></div>
<div><hbox style="min-height:50px;">border-box 50px</hbox></div>
<div><hbox style="max-height:20px;">border-box 20px</hbox></div>

<div><hbox class="cb" style="height:20px;">content-box 20px</hbox></div>
<div><hbox class="cb" style="min-height:50px;">content-box 50px</hbox></div>
<div><hbox class="cb" style="max-height:20px;">content-box 20px</hbox></div>


</body>
</html>