<div id="pagination">
    <div class="prev"><?php previous_posts_link( '<i class="icon-arrow-left"></i>' . __( 'Previous', 'amphtml' ) ); ?></div>
    <div class="next"><?php next_posts_link( __( 'Next', 'amphtml' ) . '<i class="icon-arrow-right"></i>', 0 ) ?></div>
</div>