shared-bulma-theme/layouts/partials/header_homepage.html

<div class="container is-mobile">
    <nav class="navbar" role="navigation" aria-label="main navigation">
        <div class="container">
            <div class="navbar-brand">
                <a class="navbar-item" href="{{ .Site.BaseURL }}">
                    <img src="{{ .Site.BaseURL }}/images/menu.png" alt="{{ .Site.Title }} {{ .Site.Params.Tagline }}" width="112" height="28">
                </a>
            </div>
        </div>
    </nav>
</div>

<section class="hero is-primary">
    <div class="hero-body">
        <div class="container">
            <h1 class="title">{{ .Site.Title }}</h1>
            <h2 class="subtitle">{{ .Site.Params.Tagline }}</h2>
            <a class="button is-primary is-inverted" href="{{ .Site.Params.GithubURL }}">
                <span class="icon">
                    <i class="fab fa-github"></i>
                </span>
                <span>Source Code</span>
            </a>
        </div>
</section>