Mixin font-size should work with ms().

diff --git a/stylesheets/foundation/mixins/_font-size.scss b/stylesheets/foundation/mixins/_font-size.scss
index da13b7135c13ab79ec0b6cfe6cad2964f8454663..1a6d6f82dc6d2af95a966f89c9d874dca0b95862 100644 (file)
--- a/stylesheets/foundation/mixins/_font-size.scss
+++ b/stylesheets/foundation/mixins/_font-size.scss
@@ -1,6 +1,8 @@
   // Font size mixin to include px and rem
 
   @mixin font-size($size, $is-important: false) {
+    $size: if(unitless($size), $size, $size / 1px);
+    
     @if $is-important {
       font-size: $size + px !important;
       font-size: ($size / 10) + rem !important;