<!DOCTYPE html>
<html>
<head>
    <title>CSS Scoping Module Level 1 - slot element without distributed nodes must render its fallback content</title>
    <link rel="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
    <link rel="help" href="http://www.w3.org/TR/css-scoping-1/#selectors-data-model">
    <link rel="match" href="reference/green-box.html"/>
</head>
<body>
    <style>
    my-host {
        display: block;
        background-color: red;
        width: 100px;
        height: 50px;
   