fix: .active style pollution

Author: lc-soft

src/scss/_nav.scss

@@ -64,8 +64,9 @@
 .tab-content {
   .tab-pane {
     display: none;
-  }
-  .active {
-    display: block;
+
+    &.active {
+      display: block;
+    }
   }
 }