_layouts/default.html

<!DOCTYPE html>
<html lang="{{ site.lang | default: "en-US" }}">
<head>
    <meta charset="UTF-8">

    {% seo %}
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="theme-color" content="#157878">
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
    <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
</head>
<body>

<header class="page-header" role="banner">
    <h1 class="project-name"><a href="{{site.github.url | default: /}}">{{ site.title | default: site.github.repository_name }}</a></h1>
    <h2 class="project-tagline">{{ site.description | default: site.github.project_tagline }}</h2>
    {% if site.show_downloads %}
    <a href="{{ site.github.zip_url }}" class="btn">Download .zip</a>
    <a href="{{ site.github.tar_url }}" class="btn">Download .tar.gz</a>
    {% endif %}
</header>

<main id="content" class="main-content" role="main">
    {{ content }}

    <footer class="site-footer">
        <span class="site-footer-credits">
            This page was generated by <a href="https://pages.github.com">GitHub Pages</a> and is maintained by <a href="https://github.com/gregor-j">Gregor J.</a>
            <br/>This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
            <br/>Diagrams have been created using <a href="https://www.planttext.com/">PlantText UML Editor</a>.</span>
    </footer>
</main>
</body>
</html>