_normal.sass in oulu-0.11.2

- old
+ new

@@ -1,7 +1,7 @@
 =normal-button-color($color, $root-color: true)
   background-color: $color
-  background-image: linear-gradient(top, tint($color, 6%) 0%, shade($color, 6%) 100%)
+  background-image: linear-gradient(to bottom, tint($color, 6%) 0%, shade($color, 6%) 100%)
   border-style: solid
   border-color: shade($color, 10%) shade($color, 16%) shade($color, 26%)
   @if $root-color
     color: luma_contrast_color($color)
     text-shadow: if(luma_bright($color), lighten($color, 18%) 0 1px 0, darken($color, 18%) 0 -1px 0)