<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-focus">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1858984">
<style>
#overflowHiddenContainer
{
margin: 4px;
height: 12px;
border: 1px solid black;
overflow: hidden;
line-height: 25px;
}
#container
{
position: relative;
display: inline-block;
width: 30px;
height: 10px;
vertical-align: text-top;
}
#visibleTarget
{
position: absolute;
inset: 0;
height: 15px;
}
</style>
</head>
<body>
<div id="overflowHiddenContainer">
<label id="container">
<div tabindex=0 id="visibleTarget">
</div>
</label>
</div>
</body>
<script>
visibleTarget.focus();
</script>
</html>