Hugo-theme-stack/layouts/partials/comments/provider/disqus.html

<div class="disqus-container">
    {{ template "_internal/disqus.html" . }}
</div>

<style>
    .disqus-container {
        background-color: var(--card-background);
        border-radius: var(--card-border-radius);
        box-shadow: var(--shadow-l1);
        padding: var(--card-padding);
    }
</style>

<script>
    window.addEventListener('onColorSchemeChange', (e) => {
        if (DISQUS) {
            DISQUS.reset({
                reload: true
            });
        }
    })
</script>