diff --git a/scss/nav-pills.scss b/scss/nav-pills.scss
index 13e8448..468ce47 100644
--- a/scss/nav-pills.scss
+++ b/scss/nav-pills.scss
@@ -2,7 +2,7 @@
   position: sticky;
   top: var(--header-offset);
   background: var(--d-content-background);
-  z-index: z("base");
+  z-index: z("base") + 3;
   padding: 1.5rem 0 1rem 0;
   max-width: unset;
 
diff --git a/scss/topic-cards.scss b/scss/topic-cards.scss
index c23bbbb..8258fe9 100644
--- a/scss/topic-cards.scss
+++ b/scss/topic-cards.scss
@@ -145,6 +145,7 @@
 
   .topic-activity__username {
     margin-left: 0.25em;
+    text-wrap: nowrap;
   }
 
   @include breakpoint(mobile-extra-large) {