linting

scss/_functions.scss

@@ -10,7 +10,7 @@
 // @return {Number} - Unitless number
 
 @function strip-unit($number) {
-  @if type-of($number) == 'number' and not unitless($number) {
+  @if type-of($number) == "number" and not unitless($number) {
     @return $number / ($number * 0 + 1);
   }
   @return $number;