Remove commented css + replaced div with section (#16)

Author: alejandronanez

_layouts/home.html

@@ -1,7 +1,7 @@
 --- 
 layout: default 
 ---
-<div class="dn db-ns">
+<section class="dn db-ns">
   <div class="flex flex-column justify-center center pv5 karla bg-secondary">
     <div class="flex flex-column justify-center center">
 
@@ -23,7 +23,7 @@ <h2 class="f3 f2-m f2-l fw5 dark-gray mb2">
       </div>
     </div>
   </div>
-</div>
+</section>
 
 <div class="db dn-ns">
   <article class="h6-l bt b--black-10 dark-gray lh-copy-ns ph2 ph5-m pv4 pv5-ns karla bg-secondary">

_sass/extra.scss

@@ -11,7 +11,6 @@
 }
 
 .bg-primary {
-  // background-image: linear-gradient(-180deg,#F2F5F8 0,#FAFBFC 99%);
   background-color: #fff;
 }