Revert globally changing spacing-unit and just change post list

Author: mfleming

_sass/_layout.scss

@@ -175,7 +175,7 @@
     list-style: none;
 
     > li {
-        margin-bottom: $spacing-unit;
+        margin-bottom: 10;
     }
 }
 

css/main.scss

@@ -12,7 +12,7 @@ $base-font-weight: 400;
 $small-font-size:  $base-font-size * 0.875;
 $base-line-height: 1.5;
 
-$spacing-unit:     10px;
+$spacing-unit:     30px;
 
 $text-color:       #111;
 $background-color: #fdfdfd;