Adds margins to h1-h5

src/definitions/globals/site.less

@@ -79,6 +79,22 @@ h5 {
   font-size: @h5;
 }
 
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child {
+  margin-top: 0em;
+}
+
+h1:last-child,
+h2:last-child,
+h3:last-child,
+h4:last-child,
+h5:last-child {
+  margin-bottom: 0em;
+}
+
 
 /*******************************
              Text

src/themes/default/globals/site.variables

@@ -377,17 +377,17 @@
 /* Rendered Scrollbar Width */
 @scrollBarWidth: 15px;
 
-/* Header Spacing */
-@headerLineHeightOffset : (@lineHeight - 1em) / 2;
-@headerTopMargin        : ~"calc(2rem - "@lineHeightOffset~")";
-@headerBottomMargin     : 1rem;
-@headerMargin           : @headerTopMargin 0em @headerBottomMargin;
+/* Used to match floats with text */
+@lineHeightOffset       : ((@lineHeight - 1em) / 2);
+@headerLineHeightOffset : (@headerLineHeight - 1em) / 2;
 
-/* Makes sure padded grid can fit at 320px */
-@pageMinWidth        : (320px - (@fontSize * 3));
+/* Header Spacing */
+@headerTopMargin    : ~"calc(2rem - "@headerLineHeightOffset~")";
+@headerBottomMargin : 1rem;
+@headerMargin       : @headerTopMargin 0em @headerBottomMargin;
 
-/* Used to match floats with text */
-@lineHeightOffset    : ((@lineHeight - 1em) / 2);
+/* Minimum Mobile Width */
+@pageMinWidth       : 320px;
 
 /* Positive / Negative Dupes */
 @successColor           : @positiveColor;