source: square/1.5.4/footer.php

<?php
/**
 * The template for displaying the footer.
 *
 * @package Square
 */

?>

        </div><!-- #content -->

        <footer id="sq-colophon" class="sq-site-footer">
                <?php if(is_active_sidebar('square-footer1') || is_active_sidebar('square-footer2') || is_active_sidebar('square-footer3') || is_active_sidebar('square-footer4') ): ?>
                <div id="sq-top-footer">
                        <div class="sq-container">
                                <div class="sq-top-footer sq-clearfix">
                                        <div class="sq-footer sq-footer1">
                                                <?php if(is_active_sidebar('square-footer1')): 
                                                        dynamic_sidebar('square-footer1');
                                                endif;
                                                ?>      
                                        </div>

                                        <div class="sq-footer sq-footer2">
                                                <?php if(is_active_sidebar('square-footer2')): 
                                                        dynamic_sidebar('square-footer2');
                                                endif;
                                                ?>      
                                        </div>

                                        <div class="sq-footer sq-footer3">
                                                <?php if(is_active_sidebar('square-footer3')): 
                                                        dynamic_sidebar('square-footer3');
                                                endif;
                                                ?>      
                                        </div>

                                        <div class="sq-footer sq-footer4">
                                                <?php if(is_active_sidebar('square-footer4')): 
                                                        dynamic_sidebar('square-footer4');
                                                endif;
                                                ?>      
                                        </div>
                                </div>
                        </div>
                </div>
                <?php endif; ?>

                <?php if(is_active_sidebar('square-about-footer')): ?>
                <div id="sq-middle-footer">
                        <div class="sq-container">
                                <?php 
                                        dynamic_sidebar('square-about-footer');
                                ?>
                        </div>
                </div>
                <?php endif; ?>

                <div id="sq-bottom-footer">
                        <div class="sq-container sq-clearfix">
                                <div class="sq-site-info">
                                        <?php printf( esc_html__( 'WordPress Theme', 'square' ) ); ?>
                                        <span class="sep"> | </span>
                                        <?php printf( 
                                                /* translators: 1: link 2: Theme name */
                                                esc_html__( '%1$s by %2$s', 'square' ), '<a target="_blank" href="http://hashthemes.com/wordpress-theme/square/">Square</a>', 'Hash Themes'
                                        ); ?>
                                </div>

                                <div class="sq-site-social">
                                <?php 
                                        $facebook = get_theme_mod('square_social_facebook');
                                        $twitter = get_theme_mod('square_social_twitter');
                                        $pinterest = get_theme_mod('square_social_pinterest');
                                        $youtube = get_theme_mod('square_social_youtube');
                                        $linkedin = get_theme_mod('square_social_linkedin');
                                        $instagram = get_theme_mod('square_social_instagram');

                                        if($facebook)
                                                echo '<a class="sq-facebook" href="'.esc_url( $facebook ).'" target="_blank"><i class="fa fa-facebook"></i></a>';

                                        if($twitter)
                                                echo '<a class="sq-twitter" href="'.esc_url( $twitter ).'" target="_blank"><i class="fa fa-twitter"></i></a>';
                                        
                                        if($pinterest)
                                                echo '<a class="sq-pinterest" href="'.esc_url( $pinterest ).'" target="_blank"><i class="fa fa-pinterest"></i></a>';

                                        if($youtube)
                                                echo '<a class="sq-youtube" href="'.esc_url( $youtube ).'" target="_blank"><i class="fa fa-youtube"></i></a>';

                                        if($linkedin)
                                                echo '<a class="sq-linkedin" href="'.esc_url( $linkedin ).'" target="_blank"><i class="fa fa-linkedin"></i></a>';

                                        if($instagram)
                                                echo '<a class="sq-instagram" href="'.esc_url( $instagram ).'" target="_blank"><i class="fa fa-instagram"></i></a>';
                                ?>
                                </div>
                        </div>
                </div>
        </footer><!-- #colophon -->
</div><!-- #page -->

<?php wp_footer(); ?>

</body>
</html>