diff --git a/src/theme/_site-variables.scss b/src/theme/_site-variables.scss
index c3e96cfcb..ba08dcaaa 100644
--- a/src/theme/_site-variables.scss
+++ b/src/theme/_site-variables.scss
@@ -21,7 +21,7 @@ $font-family-monospace-light: Roboto Mono Light !default;
 
 // Per abilitare l'header bianco impostare a true
 // e impostare "$header-center-bg-color: white" come qui sotto
-$enable-header-white-background: false;
+$enable-header-white-background: false !default;
 // $header-center-bg-color: white;
 // $header-slim-bg-color: #3f3f3f;
 
@@ -32,8 +32,10 @@ $gdpr-toggle: #b22515 !default;
 $gdpr-toggle-border: #000 !default;
 $gdpr-focus-color: #ff9800 !default;
 $gdpr-link-color: #004285 !default;
-$gdpr-focus-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15),
-  0 1px 1px rgba(0, 0, 0, 0.075), 0 0 0 0.2rem $gdpr-focus-color !default;
+$gdpr-focus-shadow:
+  inset 0 1px 0 rgba(255, 255, 255, 0.15),
+  0 1px 1px rgba(0, 0, 0, 0.075),
+  0 0 0 0.2rem $gdpr-focus-color !default;
 
 $caption-text: #455b71 !default;