Tune cheat sheet footer styles

Author: jordanmccullough

_stylesheets/page.css

@@ -5571,3 +5571,10 @@ footer {
     display: none; }
   .cheat-sheet h2:first-of-type {
     margin-top: 0; }
+  .cheat-sheet h2:last-of-type {
+    -webkit-column-span: all;
+    -moz-column-span: all;
+    column-span: all;
+    padding-top: 1em;
+    margin-top: 1em;
+    border-top: solid 1px #f3f3f3; }

_stylesheets/page.scss

@@ -205,4 +205,14 @@ footer {
 	h2:first-of-type{
 		margin-top: 0;
 	}
+
+	h2:last-of-type{
+		-webkit-column-span: all;
+		-moz-column-span: all;
+		column-span: all;
+
+		padding-top: 1em;
+		margin-top: 1em;
+		border-top: solid 1px $mono-light;
+	}
 }