panel.sass in bulma-clean-theme-0.12

- old
+ new

@@ -1,8 +1,10 @@
+@import "../utilities/mixins"
+
 $panel-margin: $block-spacing !default
 $panel-item-border: 1px solid $border-light !default
 $panel-radius: $radius-large !default
-$panel-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
+$panel-shadow: $shadow !default
 
 $panel-heading-background-color: $border-light !default
 $panel-heading-color: $text-strong !default
 $panel-heading-line-height: 1.25 !default
 $panel-heading-padding: 0.75em 1em !default