<html>
<head>
<script>
if (window.internals)
    internals.enableFixedWidthAutoSizeMode(true, 1000, 1);
</script>
</head>
<body>
<div style="width: 100vh">
text text text text text text text
<div style="height:1000px; border:2px solid green">
</div>
</div>
</body>
</html>