: 2px;
  height: 1em;
  background: #ddf;
  white-space: nowrap;
  font-size:8pt;
}
#experiment-iframes iframe {
  visibility:hidden;
  width:40em;
  height:1em;
}
em { color: #fff; font-weight: bold; background: #800; border: 1px solid #800; padding: 1px }
</style>
</head>
<body>
<p>
This page tries to exhaustively combine tags for all pairings of HTML elements
to answer the following questions about how HTML browsers parse tag soup:</p>
<ul>
  <li><a href="#nests-in-body">Which elements can appear directl