diff --git a/_scss/utilities/_boxshadow.scss b/_scss/utilities/_boxshadow.scss
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+++ b/_scss/utilities/_boxshadow.scss
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+// Box Shadow
+//
+// The box-shadow CSS property is used to add shadow effects around an element's frame. You can specify multiple effects separated by commas if you wish to do so. A box shadow is described by X and Y offsets relative to the element, blur and spread radii, and color.
+//
+// Values: offset-x | offset-y | blur-radius | spread-radius | color
+// Default: none
+//
+// https://www.w3.org/TR/css-backgrounds-3/#propdef-box-shadow
+@mixin boxshadow($value: none) {
+  -webkit-box-shadow: $value;
+     -moz-box-shadow: $value;
+          box-shadow: $value;
+}