pyfedi/app/templates/user/_read_posts_nav.html

<div class="btn-group mt-1 mb-2" aria-label="{{ _('Sorting methods: ') }}">
    <a href="/read-posts/new" class="btn {{ 'btn-primary' if sort == 'new' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Newest posts') }}">
        {{ _('Newest') }}
    </a>
    <a href="/read-posts/oldest" class="btn {{ 'btn-primary' if sort == 'oldest' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Oldest posts') }}">
        {{ _('Oldest') }}
    </a>
    <a href="/read-posts/hot" class="btn {{ 'btn-primary' if sort == 'hot' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Trending now') }}">
        {{ _('Hot') }}
    </a>
    <a href="/read-posts/top" class="btn {{ 'btn-primary' if sort == 'top' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Most upvotes in the last 24h') }}">
        {{ _('Top') }}
    </a>
    <a href="/read-posts/active" class="btn {{ 'btn-primary' if sort == 'active' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Recently commented on') }}">
        {{ _('Active') }}
    </a>
</div>