diff --git a/static/themes/default/css/main.css b/static/themes/default/css/main.css
index 009524331..71fd14f60 100644
--- a/static/themes/default/css/main.css
+++ b/static/themes/default/css/main.css
@@ -7,6 +7,7 @@
     --freedombox-blue-color: #4989D4; /* Blue */
     --progress-color: #3498db; /* Blue */
     --freedombox-navbar-color: white;
+    --freedombox-navbar-shadow-color: rgba(0, 0, 0, 0.25);
 
 }
 
@@ -449,7 +450,7 @@ footer {
  */
 .main-header {
     background: var(--freedombox-blue-color);
-    box-shadow: 0 0.25rem 0.375rem 0 rgba(0, 0, 0, 0.25);
+    box-shadow: 0 0.25rem 0.375rem 0 var(--freedombox-navbar-shadow-color);
     border: none;
 }