64px → 68px for third size step

Author: tobiasahlin

src/marketing/support/variables.scss

@@ -27,7 +27,7 @@ $mktg-h-size-10: 16px !default;
 // Header Line-height steps
 $mktg-h-lh-0:  100px !default;
 $mktg-h-lh-1:  76px !default;
-$mktg-h-lh-2:  64px !default;
+$mktg-h-lh-2:  68px !default;
 $mktg-h-lh-3:  60px !default;
 $mktg-h-lh-4:  52px !default;
 $mktg-h-lh-5:  44px !default;