_grids.sass in middleman-oulu-0.6.9

- old
+ new

@@ -80,10 +80,10 @@
 
 // カラムの基本設定
 =column($number, $columns-gutter-width: $gutter-width)
   +rem('width', 100 / $columns-count * $number * 1%)
   +padding(horizontal, $columns-gutter-width / 2)
-  +box-sizing(border-box)
+  box-sizing: border-box
   float: left
 
 // カラムをサイズごとに作る
 @each $break-point in $break-points
   +break-points($break-point)