create main file and empty section

src/css/layout/_main.scss

@@ -0,0 +1,31 @@
+
+/* Main */
+
+  #main {
+    
+    /*
+        @include breakpoint('<=xlarge') {
+
+        }
+
+        @include breakpoint('<=large') {
+
+        }
+
+        @include breakpoint('<=medium') {
+
+        }
+
+        @include breakpoint('<=small') {
+
+        }
+
+        @include breakpoint('<=xsmall') {
+
+        }
+
+        @include breakpoint('<=xxsmall') {
+
+        }
+    */
+  }

src/index.html

@@ -90,6 +90,8 @@
 </header>
 
 <div id="main">
+  <section>
+  </section>
 </div>
 
 <footer id="footer">