diff --git a/src/functions/_mixins.scss b/src/functions/_mixins.scss
new file mode 100644
index 0000000..4ec02c3
--- /dev/null
+++ b/src/functions/_mixins.scss
@@ -0,0 +1,13 @@
+// Mixin that generates css variables 
+// If the variable has no prefix, don't assign anything to the $prefix attribute, leave its default value: “”
+@mixin generate-css-variables($map, $prefix: "") {
+    @if $prefix == "" {
+        @each $name, $value in $map {
+            --#{$name}: #{$value};
+        }
+    } @else {
+        @each $name, $value in $map {
+            --#{$prefix}-#{$name}: #{$value};
+        }
+    } 
+}