* Refactor shadow variables.
* Add default flags.
$card-color: $text !default
$card-background-color: $scheme-main !default
-$card-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
+$card-shadow: $shadow !default
$card-radius: 0.25rem !default
$card-header-background-color: transparent !default
$dropdown-content-padding-bottom: 0.5rem !default
$dropdown-content-padding-top: 0.5rem !default
$dropdown-content-radius: $radius !default
-$dropdown-content-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
+$dropdown-content-shadow: $shadow !default
$dropdown-content-z: 20 !default
$dropdown-item-color: $text !default
$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
$box-color: $text !default
$box-background-color: $scheme-main !default
$box-radius: $radius-large !default
-$box-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
+$box-shadow: $shadow !default
$box-padding: 1.25rem !default
$box-link-hover-shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0 0 1px $link !default
$size-medium: $size-5 !default
$size-large: $size-4 !default
+// Effects
+
+$shadow: 0 0.5em 1em -0.125em rgba($scheme-invert, 0.1), 0 0px 0 1px rgba($scheme-invert, 0.02) !default
+
// Lists and maps
$custom-colors: null !default
$custom-shades: null !default