<telepath-mode>hasLayout что ли?
</telepath-mode>
<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
<div style="
overflow:hidden;
background: green;
zoom: 1;
">
<div style="
width: 50px;
height: 50px;
background: red;
float: left;
"></div>
</div>
</body>
</html>