add primary and remove

src/client/styles/scss/theme/christmas.scss

@@ -42,6 +42,7 @@ $active-nav-tabs-bgcolor: white;
 //
 html[light],
 html[dark] {
+  $primary: #122c55;
   // Background colors
   $bgcolor-card: #f5f5f5;
 
@@ -215,16 +216,6 @@ html[dark] {
     border-bottom: 4px solid $subthemecolor;
   }
 
-  .grw-subnav {
-    background-color: #ffffff;
-  }
-
-  .nav-tabs {
-    border: none !important;
-    :not(.nav-tabs .nav-link.active) {
-      border-bottom: solid 1px #D7D7D7;
-    }
-  }
 
   .nav-link {
     border-color: #D7D7D7;
@@ -233,7 +224,6 @@ html[dark] {
   .nav-tabs .nav-link.active {
     background: none;
     border-color: #D7D7D7;
-    border-bottom: none;
   }
 
   .search-top .dropdown-toggle {