diff --git a/src/main/webapp/css/style.css b/src/main/webapp/css/style.css
index 988d45a..526f715 100644
--- a/src/main/webapp/css/style.css
+++ b/src/main/webapp/css/style.css
@@ -25,7 +25,7 @@ a {
 
 .header {
     /*background: url('/images/header_bg.png') no-repeat;*/
-    background-color: #5c5c5c;
+    background-color: var(--bs-secondary);
     background-size: cover;
     height: 70px;
     position: fixed;
@@ -40,7 +40,7 @@ a {
     left: 0;
     right: 0;
     bottom: 0;
-    background: #5c5c5c;
+    background: var(--bs-secondary);
     height: auto;
     width: 200px;
     min-width: inherit;