Some spacing adjustments

tool/template-learn-uses.html

@@ -16,7 +16,7 @@
 {% block breadcrumbs %}{% endblock %}
 
 {% block main %}
-  <div class="my-40 marketing-wrapper">
+  <div class="marketing-wrapper">
     <div class="container">
       <section class="row mb-20">
         <div class="col-md-4 d-flex flex-column-reverse justify-content-end">
@@ -82,7 +82,7 @@
       </div>
     </section>
 
-    <section class="row mb-50">
+    <section class="row last-section">
       <h6 class="section-marker">{% trans %}Trading{% endtrans %}</h6>
       <div class="col-md-4 offset-md-1 order-1 order-md-2 mb-10 text-center">
         <img class="mw-100" src="./img/uses/inst-trading.png">