fix some problems with quartz theme

dev/scss/wvc-theme/quartz/_bootswatch.scss

@@ -95,7 +95,7 @@ body {
   border-right: none;
 }
 
-.form-select {
+.form-select:not([multiple]) {
   transition: border-color .15s ease-in-out;
   option {
     background-color: $primary;
@@ -121,8 +121,10 @@ body {
   .nav-link {
     transition: none;
 
-    &:hover {
+    &:hover,
+    &:focus {
       color: $white;
+      isolation: auto;
     }
 
     &,
@@ -145,7 +147,8 @@ body {
     border-radius: $border-radius;
     transform: scale(1.1);
 
-    &:hover {
+    &:hover,
+    &:focus {
       color: $gray-800;
     }
   }
@@ -153,6 +156,19 @@ body {
   .dropdown-menu {
     border-radius: $border-radius;
   }
+
+  .nav-pills {
+    .nav-link {
+      transition: none;
+  
+      &:hover,
+      &:focus {
+        color: $white;
+        isolation: auto;
+      }
+    }
+  }
+
 }
 
 // Indicators