footer.php

<?php
/**
 *   Liberty theme footer template.
 *
 *   @package Liberty
 *   @since 1.0.0
 */

?>
<footer 
<?php
if ( is_single() ) {
	?>
	class='footer-single' <?php } ?>>
	<div class="liberty-footer 
	<?php
	if ( is_single() ) {
		?>
		liberty-footer-single <?php } ?>">
		<?php
		if ( is_single() ) {
			comments_template();
		}
		?>
		<a class="footer-icons" href="https://librewiki.net"><img id="designedbylibre" src="/wp-content/themes/Liberty/img/designedbylibre.png"></a>
		<a href="<?php bloginfo( 'rss2_url' ); ?>" id="rss" class="footer-icons">
			<div class="footer-icon-text">
				<i class="fas fa-rss-square"></i> RSS 2.0
			</div>
		</a>
		<span style="margin-left:1rem">
			이 블로그는 <a href="https://zlzleking.tk" style="color:#3399FF">Zlzleking</a>의 개인 블로그입니다.
		</span>
		<span style="margin-left:1rem;">
			<a href="https://raw.githubusercontent.com/zlzleking/liberty-wp/master/docs/Open%20Source%20License%20Announcement.md">오픈 소스 라이선스</a></span>
	</div>
</footer>