changed header color

Author: Code-JL

assets/styles.css

@@ -10,7 +10,7 @@ body {
 
 /* Header */
 header {
-    background: #133653; /* Deep navy blue */
+    background: #2573b3; /* Deep navy blue */
     color: #eef6fc;
     padding: 15px 20px;
     position: sticky;