Sub header position

src/definitions/elements/header.less

@@ -49,8 +49,8 @@
 
 .ui.header .sub.header {
   font-weight: normal;
-  margin: 0em;
   padding: 0em;
+  margin: @subHeaderMargin;
   font-size: @subHeaderFontSize;
   line-height: @subHeaderLineHeight;
   color: @subHeaderColor;
@@ -220,8 +220,8 @@ h5.ui.header .sub.header {
 ---------------*/
 
 .ui.sub.header {
-  margin: 0em;
   padding: 0em;
+  margin: @subHeadingMargin;
   font-weight: @subHeadingFontWeight;
   font-size: @subHeadingFontSize;
   text-transform: @subHeadingTextTransform;

src/themes/default/elements/header.variables

@@ -22,6 +22,7 @@
 @verticalPadding: 0em;
 
 /* Sub Heading */
+@subHeadingMargin: @headerTopMargin 0em 0.1428rem;
 @subHeadingFontSize: @relativeTiny;
 @subHeadingFontWeight: bold;
 @subHeadingTextTransform: uppercase;
@@ -32,6 +33,7 @@
 @hugeSubHeadingSize: @relativeMedium;
 
 /* Sub Header */
+@subHeaderMargin: 0em;
 @subHeaderLineHeight: 1.2em;
 @subHeaderColor: rgba(0, 0, 0, 0.5);