wp-post-navigation

<aside class="post-navigation bg-texture--light">
    <?php
        $next_post = get_next_post();
        $prev_post = get_previous_post();
    ?>
    <?php if ($prev_post) { ?>
        <a href="<?php echo $prev_post->guid ?>" class="post-navigation__prev">
            <div class="post-navigation__label">Previous story</div>
            <div class="post-navigation__title">
                <?php echo $prev_post->post_title ?>
            </div>
        </a>
    <?php } else {}; ?>
    <?php if ($next_post) { ?>
        <a href="<?php echo $next_post->guid ?>" class="post-navigation__next">
            <div class="post-navigation__label">Next story</div>
            <div class="post-navigation__title">
                <?php echo $next_post->post_title ?>
            </div>
        </a>
    <?php } else {}; ?>
</aside>