diff --git a/doc-src/content/stylesheets/_shared.sass b/doc-src/content/stylesheets/_shared.sass
index acee2682..8bccfde5 100644
--- a/doc-src/content/stylesheets/_shared.sass
+++ b/doc-src/content/stylesheets/_shared.sass
@@ -1,3 +1,3 @@
-=gradient-bg(!color, !up=5, !down=!up)
-  background-color: #{!color}
-  +linear-gradient(color_stops(lighten(!color, !up), darken(!color,!down)))
\ No newline at end of file
+=gradient-bg($color, $up:5, $down: $up)
+  background-color: $color
+  +linear-gradient(color-stops(lighten($color, $up), darken($color,$down)))
\ No newline at end of file