Icon footer on center

How I can put this icon on center?
Regards!
https://postimg.org/image/879w3fydf/

Code is:

<?php
/**
 * Theme Footer Section for our theme.
 *
 * Displays all of the footer section and closing of the #main div.
 *
 * @package ThemeGrill
 * @subpackage ColorMag
 * @since ColorMag 1.0
 */
?>

		</div><!-- .inner-wrap -->
	</div><!-- #main -->
   <?php if ( is_active_sidebar('colormag_advertisement_above_the_footer_sidebar') ) { ?>
      <div class="advertisement_above_footer">
         <div class="inner-wrap">
            <?php dynamic_sidebar('colormag_advertisement_above_the_footer_sidebar'); ?>
         </div>
      </div>
   <?php } ?>
	<?php do_action( 'colormag_before_footer' ); ?>
		<footer id="colophon" class="clearfix">
			<?php get_sidebar( 'footer' ); ?>
			<div class="footer-socket-wrapper clearfix">
				<div class="inner-wrap">
					<div class="footer-socket-area">
                  <div class="footer-socket-right-section">
   						<?php if( get_theme_mod( 'colormag_social_link_activate', 0 ) == 1 ) { colormag_social_links(); } ?>
                  </div>
                  <div class="footer-socket-left-sectoin">
   						<?php do_action( 'colormag_footer_copyright' ); ?>
                  </div>
					</div>
				</div>
			</div>
		</footer>
		<a href="#masthead" id="scroll-up"><i class="fa fa-chevron-up"></i></a>
	</div><!-- #page -->
	<?php wp_footer(); ?>
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<script type="text/javascript" id="trfc_trafic_script">
//<![CDATA[
t_rid = 'ziaruldevaslui-ro';
(function(){ t_js_dw_time=new Date().getTime();
t_js_load_src=((document.location.protocol == 'http:')?'https://storage.':'https://secure.')+'trafic.ro/js/trafic.js?tk='+(Math.pow(10,16)*Math.random())+'&t_rid='+t_rid;
if (document.createElement && document.getElementsByTagName && document.insertBefore) {
t_as_js_en=true;var sn = document.createElement('script');sn.type = 'text/javascript';sn.async = true; sn.src = t_js_load_src;
var psn = document.getElementsByTagName('script')[0];psn.parentNode.insertBefore(sn, psn); } else {
document.write(unescape('%3Cscri' + 'pt type="text/javascript" '+'src="'+t_js_load_src+';"%3E%3C/sc' + 'ript%3E')); }})();
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</script>
<noscript><p><a href="https://www.trafic.ro/statistici/ziaruldevaslui.ro"><img alt="ziaruldevaslui.ro" src="https://log.trafic.ro/cgi-bin/pl.dll?rid=ziaruldevaslui-ro" /></a> <a href="https://www.trafic.ro/">Web analytics</a></p></noscript>
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</body>
</html>

Icon code is

<!--/Start async trafic.ro/-->
<script type="text/javascript" id="trfc_trafic_script">
//<![CDATA[
t_rid = 'ziaruldevaslui-ro';
(function(){ t_js_dw_time=new Date().getTime();
t_js_load_src=((document.location.protocol == 'http:')?'https://storage.':'https://secure.')+'trafic.ro/js/trafic.js?tk='+(Math.pow(10,16)*Math.random())+'&t_rid='+t_rid;
if (document.createElement && document.getElementsByTagName && document.insertBefore) {
t_as_js_en=true;var sn = document.createElement('script');sn.type = 'text/javascript';sn.async = true; sn.src = t_js_load_src;
var psn = document.getElementsByTagName('script')[0];psn.parentNode.insertBefore(sn, psn); } else {
document.write(unescape('%3Cscri' + 'pt type="text/javascript" '+'src="'+t_js_load_src+';"%3E%3C/sc' + 'ript%3E')); }})();
//]]>
</script>
<noscript><p><a href="https://www.trafic.ro/statistici/ziaruldevaslui.ro"><img alt="ziaruldevaslui.ro" src="https://log.trafic.ro/cgi-bin/pl.dll?rid=ziaruldevaslui-ro" /></a> <a href="https://www.trafic.ro/">Web analytics</a></p></noscript>
<!--/End async trafic.ro/-->