firebase-js-sdk/scripts/docgen-compat/theme/layouts/default.hbs

<!DOCTYPE html>
<html devsite class="default no-js">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="hide_page_heading" value="true" />
    <meta name="project_path" value="/docs/reference/js/v8/_project.yaml" />
    <meta name="book_path" value="/docs/reference/_book.yaml" />
    <meta name="translation" value="disabled" />
    <meta name="page_type" value="reference" />
    <title>{{#ifCond model.name '==' project.name}}{{project.name}}{{else}}{{model.name}} | {{project.name}}{{/ifCond}}</title>
    <meta name="description" content="Reference for {{model.name}}">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="{{relativeURL "assets/css/main.css"}}">
    <link rel="stylesheet" href="{{relativeURL "assets/css/firebase.css"}}">
</head>
<body>

{{> header}}

<div class="container container-main firebase-docs">
    <div class="row">
        <div class="col-12 col-content">
            {{{contents}}}
        </div>
    </div>
</div>

<div class="overlay"></div>

{{> analytics}}

</body>
</html>