Adds standard styling for header, cart, and search

Applies new styling to the header, shopping cart, and search bar components.
Creates new scss files for header and swiper layouts.
Replaces x.svg.

These changes create a more consistent and modern user interface.

falcon/templates/catalog/product.tpl

@@ -49,6 +49,9 @@
 
     <div class="row product-container js-product-container">
       <div class="col-md-5 mb-4">
+        {block name='page_header'}
+            <p class="h1 d-block d-md-none">{block name='page_title'}{$product.name}{/block}</p>
+        {/block}
         {block name='page_content_container'}
             {block name='page_content'}
               <div class="position-relative">
@@ -64,7 +67,8 @@
         <div class="col-md-7 mb-4">
           {block name='page_header_container'}
             {block name='page_header'}
-              <h1 class="h1">{block name='page_title'}{$product.name}{/block}</h1>
+                <h1 class="h1 d-none d-md-block">{block name='page_title'}{$product.name}{/block}</h1>
+                <p class="h5 d-block d-md-none">{block name='page_title'}{$product.name}{/block}</p>
             {/block}
           {/block}
           {block name='product_prices'}