diff --git a/inc/custom-header.php b/inc/custom-header.php
index aae4e74..7ee219a 100644
--- a/inc/custom-header.php
+++ b/inc/custom-header.php
@@ -5,38 +5,41 @@
  * @package understrap
  */
 
-function understrap_custom_header_setup() {
-
-	/**
-	 * Filter UnderStrap custom-header support arguments.
-	 *
-	 * @since UnderStrap 0.5.2
-	 *
-	 * @param array $args {
-	 *     An array of custom-header support arguments.
-	 *
-	 *     @type string $default-image     		Default image of the header.
-	 *     @type string $default_text_color     Default color of the header text.
-	 *     @type int    $width                  Width in pixels of the custom header image. Default 954.
-	 *     @type int    $height                 Height in pixels of the custom header image. Default 1300.
-	 *     @type string $wp-head-callback       Callback function used to styles the header image and text
-	 *                                          displayed on the blog.
-	 *     @type string $flex-height     		Flex support for height of header.
-	 * }
-	 */
-	add_theme_support( 'custom-header', apply_filters( 'understrap_custom_header_args', array(
-		'default-image'      => get_parent_theme_file_uri( '/img/header.jpg' ),
-		'width'              => 2000,
-		'height'             => 1200,
-		'flex-height'        => true,
-	) ) );
-
-	register_default_headers( array(
-		'default-image' => array(
-			'url'           => '%s/img/header.jpg',
-			'thumbnail_url' => '%s/img/header.jpg',
-			'description'   => __( 'Default Header Image', 'understrap' ),
-		),
-	) );
-}
 add_action( 'after_setup_theme', 'understrap_custom_header_setup' );
+
+if ( ! function_exists ( 'understrap_custom_header_setup' ) ) {
+	function understrap_custom_header_setup() {
+
+		/**
+		 * Filter UnderStrap custom-header support arguments.
+		 *
+		 * @since UnderStrap 0.5.2
+		 *
+		 * @param array $args {
+		 *     An array of custom-header support arguments.
+		 *
+		 *     @type string $default-image     		Default image of the header.
+		 *     @type string $default_text_color     Default color of the header text.
+		 *     @type int    $width                  Width in pixels of the custom header image. Default 954.
+		 *     @type int    $height                 Height in pixels of the custom header image. Default 1300.
+		 *     @type string $wp-head-callback       Callback function used to styles the header image and text
+		 *                                          displayed on the blog.
+		 *     @type string $flex-height     		Flex support for height of header.
+		 * }
+		 */
+		add_theme_support( 'custom-header', apply_filters( 'understrap_custom_header_args', array(
+			'default-image'      => get_parent_theme_file_uri( '/img/header.jpg' ),
+			'width'              => 2000,
+			'height'             => 1200,
+			'flex-height'        => true,
+		) ) );
+
+		register_default_headers( array(
+			'default-image' => array(
+				'url'           => '%s/img/header.jpg',
+				'thumbnail_url' => '%s/img/header.jpg',
+				'description'   => __( 'Default Header Image', 'understrap' ),
+			),
+		) );
+	}
+}
\ No newline at end of file
diff --git a/inc/editor.php b/inc/editor.php
index 2d4e339..86aafb3 100644
--- a/inc/editor.php
+++ b/inc/editor.php
@@ -8,58 +8,67 @@
 /**
  * Registers an editor stylesheet for the theme.
  */
-function understrap_wpdocs_theme_add_editor_styles() {
-  add_editor_style( 'css/custom-editor-style.min.css' );
-}
+
 add_action( 'admin_init', 'understrap_wpdocs_theme_add_editor_styles' );
 
+if ( ! function_exists ( 'understrap_wpdocs_theme_add_editor_styles' ) ) {
+  function understrap_wpdocs_theme_add_editor_styles() {
+    add_editor_style( 'css/custom-editor-style.min.css' );
+  }
+}
+
 // Add TinyMCE style formats.
 add_filter( 'mce_buttons_2', 'understrap_tiny_mce_style_formats' );
 
-function understrap_tiny_mce_style_formats( $styles ) {
+if ( ! function_exists ( 'understrap_tiny_mce_style_formats' ) ) {
+  function understrap_tiny_mce_style_formats( $styles ) {
 
-    array_unshift( $styles, 'styleselect' );
-    return $styles;
+      array_unshift( $styles, 'styleselect' );
+      return $styles;
+  }
 }
 
+
 add_filter( 'tiny_mce_before_init', 'understrap_tiny_mce_before_init' );
 
-function understrap_tiny_mce_before_init( $settings ) {
+if ( ! function_exists ( 'understrap_tiny_mce_before_init' ) ) {
+  function understrap_tiny_mce_before_init( $settings ) {
 
-  $style_formats = array(
-      array(
-          'title' => 'Lead Paragraph',
-          'selector' => 'p',
-          'classes' => 'lead',
-          'wrapper' => true
-          ),
-      array(
-          'title' => 'Small',
-          'inline' => 'small'
-      ),
-      array(
-          'title' => 'Blockquote',
-          'block' => 'blockquote',
-          'classes' => 'blockquote',
-          'wrapper' => true
-      ),
-			array(
-          'title' => 'Blockquote Footer',
-          'block' => 'footer',
-          'classes' => 'blockquote-footer',
-          'wrapper' => true
-      ),
-			array(
-          'title' => 'Cite',
-          'inline' => 'cite'
-      )
-  );
-  
-    if ( isset( $settings['style_formats'] ) ) {
-      $orig_style_formats = json_decode($settings['style_formats'],true);
-      $style_formats = array_merge($orig_style_formats,$style_formats);
-    }
+    $style_formats = array(
+        array(
+            'title' => 'Lead Paragraph',
+            'selector' => 'p',
+            'classes' => 'lead',
+            'wrapper' => true
+            ),
+        array(
+            'title' => 'Small',
+            'inline' => 'small'
+        ),
+        array(
+            'title' => 'Blockquote',
+            'block' => 'blockquote',
+            'classes' => 'blockquote',
+            'wrapper' => true
+        ),
+        array(
+            'title' => 'Blockquote Footer',
+            'block' => 'footer',
+            'classes' => 'blockquote-footer',
+            'wrapper' => true
+        ),
+        array(
+            'title' => 'Cite',
+            'inline' => 'cite'
+        )
+    );
+    
+      if ( isset( $settings['style_formats'] ) ) {
+        $orig_style_formats = json_decode($settings['style_formats'],true);
+        $style_formats = array_merge($orig_style_formats,$style_formats);
+      }
 
-    $settings['style_formats'] = json_encode( $style_formats );
-    return $settings;
+      $settings['style_formats'] = json_encode( $style_formats );
+      return $settings;
+  }
 }
diff --git a/inc/extras.php b/inc/extras.php
index 1f6ef01..4789cd7 100644
--- a/inc/extras.php
+++ b/inc/extras.php
@@ -7,6 +7,8 @@
  * @package understrap
  */
 
+add_filter( 'body_class', 'understrap_body_classes' );
+
 if ( ! function_exists( 'understrap_body_classes' ) ) {
 	/**
 	 * Adds custom classes to the array of body classes.
@@ -28,7 +30,6 @@ if ( ! function_exists( 'understrap_body_classes' ) ) {
 		return $classes;
 	}
 }
-add_filter( 'body_class', 'understrap_body_classes' );
 
 // Removes tag class from the body_class array to avoid Bootstrap markup styling issues.
 add_filter( 'body_class', 'understrap_adjust_body_class' );
@@ -78,8 +79,8 @@ if ( ! function_exists( 'understrap_change_logo_class' ) ) {
 /**
  * Display navigation to next/previous post when applicable.
  */
-if ( ! function_exists( 'understrap_post_nav' ) ) :
 
+if ( ! function_exists ( 'understrap_post_nav' ) ) {
 	function understrap_post_nav() {
 		// Don't print empty markup if there's nowhere to navigate.
 		$previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true );
@@ -106,4 +107,4 @@ if ( ! function_exists( 'understrap_post_nav' ) ) :
 
 		<?php
 	}
-endif;
+}
\ No newline at end of file
diff --git a/inc/jetpack.php b/inc/jetpack.php
index 5415cbf..8964749 100644
--- a/inc/jetpack.php
+++ b/inc/jetpack.php
@@ -13,41 +13,51 @@
  * See: https://jetpack.me/support/infinite-scroll/
  * See: https://jetpack.me/support/responsive-videos/
  */
-function understrap_components_jetpack_setup() {
-	// Add theme support for Infinite Scroll.
-	add_theme_support( 'infinite-scroll', array(
-		'container' => 'main',
-		'render'    => 'components_infinite_scroll_render',
-		'footer'    => 'page',
-	) );
 
-	// Add theme support for Responsive Videos.
-	add_theme_support( 'jetpack-responsive-videos' );
-
-	// Add theme support for Social Menus
-	add_theme_support( 'jetpack-social-menu' );
-
-}
 add_action( 'after_setup_theme', 'understrap_components_jetpack_setup' );
 
+if ( ! function_exists ( 'understrap_components_jetpack_setup' ) ) {
+	function understrap_components_jetpack_setup() {
+		// Add theme support for Infinite Scroll.
+		add_theme_support( 'infinite-scroll', array(
+			'container' => 'main',
+			'render'    => 'components_infinite_scroll_render',
+			'footer'    => 'page',
+		) );
+
+		// Add theme support for Responsive Videos.
+		add_theme_support( 'jetpack-responsive-videos' );
+
+		// Add theme support for Social Menus
+		add_theme_support( 'jetpack-social-menu' );
+
+	}
+}
+
+
 /**
  * Custom render function for Infinite Scroll.
  */
-function understrap_components_infinite_scroll_render() {
-	while ( have_posts() ) {
-		the_post();
-		if ( is_search() ) :
-			get_template_part( 'loop-templates/content', 'search' );
-		else :
-			get_template_part( 'loop-templates/content', get_post_format() );
-		endif;
+
+if ( ! function_exists ( 'understrap_components_infinite_scroll_render' ) ) {
+	function understrap_components_infinite_scroll_render() {
+		while ( have_posts() ) {
+			the_post();
+			if ( is_search() ) :
+				get_template_part( 'loop-templates/content', 'search' );
+			else :
+				get_template_part( 'loop-templates/content', get_post_format() );
+			endif;
+		}
 	}
 }
 
-function understrap_components_social_menu() {
-	if ( ! function_exists( 'jetpack_social_menu' ) ) {
-		return;
-	} else {
-		jetpack_social_menu();
+if ( ! function_exists ( 'understrap_components_social_menu' ) ) {
+	function understrap_components_social_menu() {
+		if ( ! function_exists( 'jetpack_social_menu' ) ) {
+			return;
+		} else {
+			jetpack_social_menu();
+		}
 	}
-}
+}
\ No newline at end of file
diff --git a/inc/pagination.php b/inc/pagination.php
index 8874fed..c58dfaa 100644
--- a/inc/pagination.php
+++ b/inc/pagination.php
@@ -5,54 +5,53 @@
  * @package understrap
  */
 
-    if ( ! function_exists( 'understrap_pagination' ) ) :
-        function understrap_pagination($args = [], $class = 'pagination') {
+if ( ! function_exists ( 'understrap_pagination' ) ) {
+	function understrap_pagination($args = [], $class = 'pagination') {
 
-            if ($GLOBALS['wp_query']->max_num_pages <= 1) return;
+	    if ($GLOBALS['wp_query']->max_num_pages <= 1) return;
 
-            $args = wp_parse_args( $args, [
-                'mid_size'           => 2,
-                'prev_next'          => false,
-                'prev_text'          => __('&laquo;', 'understrap'),
-                'next_text'          => __('&raquo;', 'understrap'),
-                'screen_reader_text' => __('Posts navigation', 'understrap'),
-                'type'               => 'array',
-                'current'            => max( 1, get_query_var('paged') ),
-            ]);
+	    $args = wp_parse_args( $args, [
+	        'mid_size'           => 2,
+	        'prev_next'          => false,
+	        'prev_text'          => __('&laquo;', 'understrap'),
+	        'next_text'          => __('&raquo;', 'understrap'),
+	        'screen_reader_text' => __('Posts navigation', 'understrap'),
+	        'type'               => 'array',
+	        'current'            => max( 1, get_query_var('paged') ),
+	    ]);
 
-            $links     = paginate_links($args);
-            $next_link = get_next_posts_page_link();
-            $prev_link = get_previous_posts_page_link();
+	    $links     = paginate_links($args);
+	    $next_link = get_next_posts_page_link();
+	    $prev_link = get_previous_posts_page_link();
 
-            ?>
+	    ?>
 
-            <nav aria-label="<?php echo $args['screen_reader_text']; ?>">
-                <ul class="pagination">
-                    <li class="page-item">
-                        <a class="page-link" href="<?php echo esc_attr($prev_link); ?>" aria-label="<?php echo __('Previous', 'understrap'); ?>">
-                            <span aria-hidden="true"><?php echo esc_attr($args['prev_text']); ?></span>
-                            <span class="sr-only"><?php echo __('Previous', 'understrap'); ?></span>
-                        </a>
-                    </li>
+	    <nav aria-label="<?php echo $args['screen_reader_text']; ?>">
+	        <ul class="pagination">
+	            <li class="page-item">
+	                <a class="page-link" href="<?php echo esc_attr($prev_link); ?>" aria-label="<?php echo __('Previous', 'understrap'); ?>">
+	                    <span aria-hidden="true"><?php echo esc_attr($args['prev_text']); ?></span>
+	                    <span class="sr-only"><?php echo __('Previous', 'understrap'); ?></span>
+	                </a>
+	            </li>
 
-                    <?php
-                    $i = 1;
-                        foreach ( $links as $link ) { ?>
-                            <li class="page-item <?php if ($i == $args['current']) { echo active; }; ?>">
-                    <?php echo str_replace( 'page-numbers', 'page-link', $link ); ?>
-                            </li>
+	            <?php
+	            $i = 1;
+	                foreach ( $links as $link ) { ?>
+	                    <li class="page-item <?php if ($i == $args['current']) { echo 'active'; }; ?>">
+	            <?php echo str_replace( 'page-numbers', 'page-link', $link ); ?>
+	                    </li>
 
-                    <?php $i++;} ?>
+	            <?php $i++;} ?>
 
-                    <li class="page-item">
-                        <a class="page-link" href="<?php echo esc_attr($next_link); ?>" aria-label="<?php echo __('Next', 'understrap'); ?>">
-                            <span aria-hidden="true"><?php echo esc_attr($args['next_text']); ?></span>
-                            <span class="sr-only"><?php echo __('Next', 'understrap'); ?></span>
-                        </a>
-                    </li>
-                </ul>
-            </nav>
-            <?php
-        }
-    endif;
-?>
+	            <li class="page-item">
+	                <a class="page-link" href="<?php echo esc_attr($next_link); ?>" aria-label="<?php echo __('Next', 'understrap'); ?>">
+	                    <span aria-hidden="true"><?php echo esc_attr($args['next_text']); ?></span>
+	                    <span class="sr-only"><?php echo __('Next', 'understrap'); ?></span>
+	                </a>
+	            </li>
+	        </ul>
+	    </nav>
+	    <?php
+	}
+}
\ No newline at end of file
diff --git a/inc/setup.php b/inc/setup.php
index f4cab44..dc74ac5 100644
--- a/inc/setup.php
+++ b/inc/setup.php
@@ -11,7 +11,9 @@ if ( ! isset( $content_width ) ) {
 	$content_width = 640; /* pixels */
 }
 
-if ( ! function_exists( 'understrap_setup' ) ) :
+add_action( 'after_setup_theme', 'understrap_setup' );
+
+if ( ! function_exists ( 'understrap_setup' ) ) {
 	/**
 	 * Sets up theme defaults and registers support for various WordPress features.
 	 *
@@ -91,8 +93,10 @@ if ( ! function_exists( 'understrap_setup' ) ) :
 		understrap_setup_theme_default_settings();
 
 	}
-endif; // understrap_setup.
-add_action( 'after_setup_theme', 'understrap_setup' );
+}
+
+
+add_filter( 'excerpt_more', 'understrap_custom_excerpt_more' );
 
 if ( ! function_exists( 'understrap_custom_excerpt_more' ) ) {
 	/**
@@ -106,7 +110,8 @@ if ( ! function_exists( 'understrap_custom_excerpt_more' ) ) {
 		return '';
 	}
 }
-add_filter( 'excerpt_more', 'understrap_custom_excerpt_more' );
+
+add_filter( 'wp_trim_excerpt', 'understrap_all_excerpts_get_more_link' );
 
 if ( ! function_exists( 'understrap_all_excerpts_get_more_link' ) ) {
 	/**
@@ -121,5 +126,4 @@ if ( ! function_exists( 'understrap_all_excerpts_get_more_link' ) ) {
 		return $post_excerpt . ' [...]<p><a class="btn btn-secondary understrap-read-more-link" href="' . esc_url( get_permalink( get_the_ID() )) . '">' . __( 'Read More...',
 		'understrap' ) . '</a></p>';
 	}
-}
-add_filter( 'wp_trim_excerpt', 'understrap_all_excerpts_get_more_link' );
+}
\ No newline at end of file
diff --git a/inc/template-tags.php b/inc/template-tags.php
index 3d0141e..7b3a0d2 100644
--- a/inc/template-tags.php
+++ b/inc/template-tags.php
@@ -7,105 +7,113 @@
  * @package understrap
  */
 
-if ( ! function_exists( 'understrap_posted_on' ) ) :
+
 /**
  * Prints HTML with meta information for the current post-date/time and author.
  */
-function understrap_posted_on() {
-	$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
-	if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
-		$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s"> (%4$s) </time>';
+if ( ! function_exists ( 'understrap_posted_on' ) ) {
+	function understrap_posted_on() {
+		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
+		if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
+			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s"> (%4$s) </time>';
+		}
+		$time_string = sprintf( $time_string,
+			esc_attr( get_the_date( 'c' ) ),
+			esc_html( get_the_date() ),
+			esc_attr( get_the_modified_date( 'c' ) ),
+			esc_html( get_the_modified_date() )
+		);
+		$posted_on = sprintf(
+			esc_html_x( 'Posted on %s', 'post date', 'understrap' ),
+			'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
+		);
+		$byline = sprintf(
+			esc_html_x( 'by %s', 'post author', 'understrap' ),
+			'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author() ) . '</a></span>'
+		);
+		echo '<span class="posted-on">' . $posted_on . '</span><span class="byline"> ' . $byline . '</span>'; // WPCS: XSS OK.
 	}
-	$time_string = sprintf( $time_string,
-		esc_attr( get_the_date( 'c' ) ),
-		esc_html( get_the_date() ),
-		esc_attr( get_the_modified_date( 'c' ) ),
-		esc_html( get_the_modified_date() )
-	);
-	$posted_on = sprintf(
-		esc_html_x( 'Posted on %s', 'post date', 'understrap' ),
-		'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
-	);
-	$byline = sprintf(
-		esc_html_x( 'by %s', 'post author', 'understrap' ),
-		'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author() ) . '</a></span>'
-	);
-	echo '<span class="posted-on">' . $posted_on . '</span><span class="byline"> ' . $byline . '</span>'; // WPCS: XSS OK.
 }
-endif;
 
-if ( ! function_exists( 'understrap_entry_footer' ) ) :
+
 /**
  * Prints HTML with meta information for the categories, tags and comments.
  */
-function understrap_entry_footer() {
-	// Hide category and tag text for pages.
-	if ( 'post' === get_post_type() ) {
-		/* translators: used between list items, there is a space after the comma */
-		$categories_list = get_the_category_list( esc_html__( ', ', 'understrap' ) );
-		if ( $categories_list && understrap_categorized_blog() ) {
-			printf( '<span class="cat-links">' . esc_html__( 'Posted in %1$s', 'understrap' ) . '</span>', $categories_list ); // WPCS: XSS OK.
+if ( ! function_exists ( 'understrap_entry_footer' ) ) {
+	function understrap_entry_footer() {
+		// Hide category and tag text for pages.
+		if ( 'post' === get_post_type() ) {
+			/* translators: used between list items, there is a space after the comma */
+			$categories_list = get_the_category_list( esc_html__( ', ', 'understrap' ) );
+			if ( $categories_list && understrap_categorized_blog() ) {
+				printf( '<span class="cat-links">' . esc_html__( 'Posted in %1$s', 'understrap' ) . '</span>', $categories_list ); // WPCS: XSS OK.
+			}
+			/* translators: used between list items, there is a space after the comma */
+			$tags_list = get_the_tag_list( '', esc_html__( ', ', 'understrap' ) );
+			if ( $tags_list ) {
+				printf( '<span class="tags-links">' . esc_html__( 'Tagged %1$s', 'understrap' ) . '</span>', $tags_list ); // WPCS: XSS OK.
+			}
 		}
-		/* translators: used between list items, there is a space after the comma */
-		$tags_list = get_the_tag_list( '', esc_html__( ', ', 'understrap' ) );
-		if ( $tags_list ) {
-			printf( '<span class="tags-links">' . esc_html__( 'Tagged %1$s', 'understrap' ) . '</span>', $tags_list ); // WPCS: XSS OK.
+		if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
+			echo '<span class="comments-link">';
+			comments_popup_link( esc_html__( 'Leave a comment', 'understrap' ), esc_html__( '1 Comment', 'understrap' ), esc_html__( '% Comments', 'understrap' ) );
+			echo '</span>';
 		}
+		edit_post_link(
+			sprintf(
+				/* translators: %s: Name of current post */
+				esc_html__( 'Edit %s', 'understrap' ),
+				the_title( '<span class="screen-reader-text">"', '"</span>', false )
+			),
+			'<span class="edit-link">',
+			'</span>'
+		);
 	}
-	if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
-		echo '<span class="comments-link">';
-		comments_popup_link( esc_html__( 'Leave a comment', 'understrap' ), esc_html__( '1 Comment', 'understrap' ), esc_html__( '% Comments', 'understrap' ) );
-		echo '</span>';
-	}
-	edit_post_link(
-		sprintf(
-			/* translators: %s: Name of current post */
-			esc_html__( 'Edit %s', 'understrap' ),
-			the_title( '<span class="screen-reader-text">"', '"</span>', false )
-		),
-		'<span class="edit-link">',
-		'</span>'
-	);
 }
-endif;
+
 
 /**
  * Returns true if a blog has more than 1 category.
  *
  * @return bool
  */
-function understrap_categorized_blog() {
-	if ( false === ( $all_the_cool_cats = get_transient( 'understrap_categories' ) ) ) {
-		// Create an array of all the categories that are attached to posts.
-		$all_the_cool_cats = get_categories( array(
-			'fields'     => 'ids',
-			'hide_empty' => 1,
-			// We only need to know if there is more than one category.
-			'number'     => 2,
-		) );
-		// Count the number of categories that are attached to the posts.
-		$all_the_cool_cats = count( $all_the_cool_cats );
-		set_transient( 'understrap_categories', $all_the_cool_cats );
-	}
-	if ( $all_the_cool_cats > 1 ) {
-		// This blog has more than 1 category so components_categorized_blog should return true.
-		return true;
-	} else {
-		// This blog has only 1 category so components_categorized_blog should return false.
-		return false;
+if ( ! function_exists ( 'understrap_categorized_blog' ) ) {
+	function understrap_categorized_blog() {
+		if ( false === ( $all_the_cool_cats = get_transient( 'understrap_categories' ) ) ) {
+			// Create an array of all the categories that are attached to posts.
+			$all_the_cool_cats = get_categories( array(
+				'fields'     => 'ids',
+				'hide_empty' => 1,
+				// We only need to know if there is more than one category.
+				'number'     => 2,
+			) );
+			// Count the number of categories that are attached to the posts.
+			$all_the_cool_cats = count( $all_the_cool_cats );
+			set_transient( 'understrap_categories', $all_the_cool_cats );
+		}
+		if ( $all_the_cool_cats > 1 ) {
+			// This blog has more than 1 category so components_categorized_blog should return true.
+			return true;
+		} else {
+			// This blog has only 1 category so components_categorized_blog should return false.
+			return false;
+		}
 	}
 }
 
+
 /**
  * Flush out the transients used in understrap_categorized_blog.
  */
-function understrap_category_transient_flusher() {
-	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
-		return;
-	}
-	// Like, beat it. Dig?
-	delete_transient( 'understrap_categories' );
-}
 add_action( 'edit_category', 'understrap_category_transient_flusher' );
 add_action( 'save_post',     'understrap_category_transient_flusher' );
 
+if ( ! function_exists ( 'understrap_category_transient_flusher' ) ) {
+	function understrap_category_transient_flusher() {
+		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+			return;
+		}
+		// Like, beat it. Dig?
+		delete_transient( 'understrap_categories' );
+	}
+}
\ No newline at end of file
diff --git a/inc/theme-settings.php b/inc/theme-settings.php
index c7ab6e0..f91d8f1 100755
--- a/inc/theme-settings.php
+++ b/inc/theme-settings.php
@@ -6,7 +6,7 @@
  *
  */
 
-if ( ! function_exists( 'understrap_setup_theme_default_settings' ) ) :
+if ( ! function_exists ( 'understrap_setup_theme_default_settings' ) ) {
 	function understrap_setup_theme_default_settings() {
 
 		// check if settings are set, if not set defaults.
@@ -29,4 +29,4 @@ if ( ! function_exists( 'understrap_setup_theme_default_settings' ) ) :
 			set_theme_mod( 'understrap_container_type', 'container' );
 		}
 	}
-endif;
+}
\ No newline at end of file
diff --git a/inc/widgets.php b/inc/widgets.php
index 54337b8..668b6a0 100644
--- a/inc/widgets.php
+++ b/inc/widgets.php
@@ -44,6 +44,8 @@ if ( ! function_exists( 'understrap_slbd_count_widgets' ) ) {
 	}
 }
 
+add_action( 'widgets_init', 'understrap_widgets_init' );
+
 if ( ! function_exists( 'understrap_widgets_init' ) ) {
 	/**
 	 * Initializes themes widgets.
@@ -100,6 +102,4 @@ if ( ! function_exists( 'understrap_widgets_init' ) ) {
 		) );
 
 	}
-} // endif function_exists( 'understrap_widgets_init' ).
-add_action( 'widgets_init', 'understrap_widgets_init' );
-
+} // endif function_exists( 'understrap_widgets_init' ).
\ No newline at end of file
diff --git a/inc/woocommerce.php b/inc/woocommerce.php
index 17da035..d87d831 100644
--- a/inc/woocommerce.php
+++ b/inc/woocommerce.php
@@ -4,6 +4,8 @@
  *
  * @package understrap
  */
+
+
 add_action( 'after_setup_theme', 'understrap_woocommerce_support' );
 if ( ! function_exists( 'understrap_woocommerce_support' ) ) {
 	/**
@@ -22,6 +24,7 @@ if ( ! function_exists( 'understrap_woocommerce_support' ) ) {
 	}
 }
 
+
 /**
 * First unhook the WooCommerce wrappers
 */
@@ -54,6 +57,7 @@ function understrap_woocommerce_wrapper_end() {
 	}
 }
 
+
 /**
  * Filter hook function monkey patching form classes
  * Author: Adriano Monecchi http://stackoverflow.com/a/36724593/307826
@@ -64,72 +68,74 @@ function understrap_woocommerce_wrapper_end() {
  *
  * @return mixed
  */
-function understrap_wc_form_field_args( $args, $key, $value = null ) {
-	// Start field type switch case.
-	switch ( $args['type'] ) {
-		/* Targets all select input type elements, except the country and state select input types */
-		case 'select' :
-			// Add a class to the field's html element wrapper - woocommerce
-			// input types (fields) are often wrapped within a <p></p> tag.
-			$args['class'][] = 'form-group';
-			// Add a class to the form input itself.
-			$args['input_class']       = array( 'form-control', 'input-lg' );
-			$args['label_class']       = array( 'control-label' );
-			$args['custom_attributes'] = array(
-				'data-plugin'      => 'select2',
-				'data-allow-clear' => 'true',
-				'aria-hidden'      => 'true',
-				// Add custom data attributes to the form input itself.
-			);
-			break;
-		// By default WooCommerce will populate a select with the country names - $args
-		// defined for this specific input type targets only the country select element.
-		case 'country' :
-			$args['class'][]     = 'form-group single-country';
-			$args['label_class'] = array( 'control-label' );
-			break;
-		// By default WooCommerce will populate a select with state names - $args defined
-		// for this specific input type targets only the country select element.
-		case 'state' :
-			// Add class to the field's html element wrapper.
-			$args['class'][] = 'form-group';
-			// add class to the form input itself.
-			$args['input_class']       = array( '', 'input-lg' );
-			$args['label_class']       = array( 'control-label' );
-			$args['custom_attributes'] = array(
-				'data-plugin'      => 'select2',
-				'data-allow-clear' => 'true',
-				'aria-hidden'      => 'true',
-			);
-			break;
-		case 'password' :
-		case 'text' :
-		case 'email' :
-		case 'tel' :
-		case 'number' :
-			$args['class'][]     = 'form-group';
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-		case 'textarea' :
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-		case 'checkbox' :
-			$args['label_class'] = array( 'custom-control custom-checkbox' );
-			$args['input_class'] = array( 'custom-control-input', 'input-lg' );
-			break;
-		case 'radio' :
-			$args['label_class'] = array( 'custom-control custom-radio' );
-			$args['input_class'] = array( 'custom-control-input', 'input-lg' );
-			break;
-		default :
-			$args['class'][]     = 'form-group';
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-	} // end switch ($args).
-	return $args;
+if ( ! function_exists ( 'understrap_wc_form_field_args' ) ) {
+	function understrap_wc_form_field_args( $args, $key, $value = null ) {
+		// Start field type switch case.
+		switch ( $args['type'] ) {
+			/* Targets all select input type elements, except the country and state select input types */
+			case 'select' :
+				// Add a class to the field's html element wrapper - woocommerce
+				// input types (fields) are often wrapped within a <p></p> tag.
+				$args['class'][] = 'form-group';
+				// Add a class to the form input itself.
+				$args['input_class']       = array( 'form-control', 'input-lg' );
+				$args['label_class']       = array( 'control-label' );
+				$args['custom_attributes'] = array(
+					'data-plugin'      => 'select2',
+					'data-allow-clear' => 'true',
+					'aria-hidden'      => 'true',
+					// Add custom data attributes to the form input itself.
+				);
+				break;
+			// By default WooCommerce will populate a select with the country names - $args
+			// defined for this specific input type targets only the country select element.
+			case 'country' :
+				$args['class'][]     = 'form-group single-country';
+				$args['label_class'] = array( 'control-label' );
+				break;
+			// By default WooCommerce will populate a select with state names - $args defined
+			// for this specific input type targets only the country select element.
+			case 'state' :
+				// Add class to the field's html element wrapper.
+				$args['class'][] = 'form-group';
+				// add class to the form input itself.
+				$args['input_class']       = array( '', 'input-lg' );
+				$args['label_class']       = array( 'control-label' );
+				$args['custom_attributes'] = array(
+					'data-plugin'      => 'select2',
+					'data-allow-clear' => 'true',
+					'aria-hidden'      => 'true',
+				);
+				break;
+			case 'password' :
+			case 'text' :
+			case 'email' :
+			case 'tel' :
+			case 'number' :
+				$args['class'][]     = 'form-group';
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+			case 'textarea' :
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+			case 'checkbox' :
+				$args['label_class'] = array( 'custom-control custom-checkbox' );
+				$args['input_class'] = array( 'custom-control-input', 'input-lg' );
+				break;
+			case 'radio' :
+				$args['label_class'] = array( 'custom-control custom-radio' );
+				$args['input_class'] = array( 'custom-control-input', 'input-lg' );
+				break;
+			default :
+				$args['class'][]     = 'form-group';
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+		} // end switch ($args).
+		return $args;
+	}
 }
 
 
@@ -137,7 +143,10 @@ function understrap_wc_form_field_args( $args, $key, $value = null ) {
 * Change loop add-to-cart button class to Bootstrap
 */
 add_filter( 'woocommerce_loop_add_to_cart_args', 'understrap_woocommerce_add_to_cart_args', 10, 2 );
-function understrap_woocommerce_add_to_cart_args( $args, $product ) {
-	$args['class'] = str_replace('button','btn btn-outline-primary', 'button');
-	return $args;
-}
+
+if ( ! function_exists ( 'understrap_woocommerce_add_to_cart_args' ) ) {
+	function understrap_woocommerce_add_to_cart_args( $args, $product ) {
+		$args['class'] = str_replace('button','btn btn-outline-primary', 'button');
+		return $args;
+	}
+}
\ No newline at end of file
diff --git a/inc/wpcom.php b/inc/wpcom.php
index 715195d..16b6dc0 100644
--- a/inc/wpcom.php
+++ b/inc/wpcom.php
@@ -12,29 +12,36 @@
  *
  * @global array $themecolors
  */
-function understrap_wpcom_setup() {
-	global $themecolors;
-
-	// Set theme colors for third party services.
-	if ( ! isset( $themecolors ) ) {
-		$themecolors = array(
-			'bg'     => '',
-			'border' => '',
-			'text'   => '',
-			'link'   => '',
-			'url'    => '',
-		);
-	}
-	
-	/* Add WP.com print styles */
-	add_theme_support( 'print-styles' );
-}
 add_action( 'after_setup_theme', 'understrap_wpcom_setup' );
 
+if ( ! function_exists ( 'understrap_wpcom_setup' ) ) {
+	function understrap_wpcom_setup() {
+		global $themecolors;
+
+		// Set theme colors for third party services.
+		if ( ! isset( $themecolors ) ) {
+			$themecolors = array(
+				'bg'     => '',
+				'border' => '',
+				'text'   => '',
+				'link'   => '',
+				'url'    => '',
+			);
+		}
+		
+		/* Add WP.com print styles */
+		add_theme_support( 'print-styles' );
+	}
+}
+
+
 /*
  * WordPress.com-specific styles
  */
-function understrap_wpcom_styles() {
-	wp_enqueue_style( 'understrap-wpcom', get_template_directory_uri() . '/inc/style-wpcom.css', '20160411' );
-}
 add_action( 'wp_enqueue_scripts', 'understrap_wpcom_styles' );
+
+if ( ! function_exists ( 'understrap_wpcom_styles' ) ) {
+	function understrap_wpcom_styles() {
+		wp_enqueue_style( 'understrap-wpcom', get_template_directory_uri() . '/inc/style-wpcom.css', '20160411' );
+	}
+}
\ No newline at end of file