add vars

src/client/styles/scss/theme/antarctic.scss

@@ -60,6 +60,7 @@ html[light] {
   $color-link-hover: lighten($color-link, 20%);
   $color-link-wiki: lighten($primary, 20%);
   $color-link-wiki-hover: lighten($color-link-wiki, 20%);
+  $color-link-nabvar: $themecolor;
   $color-inline-code: #c7254e;
 
   // Logo colors
@@ -98,6 +99,7 @@ html[dark] {
   $color-link-hover: lighten($color-link, 10%);
   $color-link-wiki: lighten($basecolor, 50%);
   $color-link-wiki-hover: darken($color-link-wiki, 5%);
+  $color-link-nabvar: $themecolor;
   $color-inline-code: #c7254e;
 
   // Logo colors

src/client/styles/scss/theme/default.scss

@@ -44,6 +44,7 @@ html[light] {
   // Dropdown colors
   $bgcolor-dropdown-link-active: $growi-blue;
   $color-dropdown-link-active: $color-reversal;
+  $color-dropdown-link-hover: $color-reversal;
 
   @import 'apply-colors';
   @import 'apply-colors-light';