diff --git a/agaric/css/agaric.css b/agaric/css/agaric.css
index 72602a3..1896a7a 100644
--- a/agaric/css/agaric.css
+++ b/agaric/css/agaric.css
@@ -9954,11 +9954,9 @@ hr, .titlebar-bigborder, .media.media-comment, .media.media-comment + .media.med
 
 .byline {
   color: #3276CF; }
-  .byline a {
-    color: #3276CF; }
-    .byline a:hover {
-      color: #26599B;
-      text-decoration: underline; }
+  .byline a:hover {
+    color: #26599B;
+    text-decoration: underline; }
 
 .content .image {
   margin: 0;
@@ -10447,7 +10445,7 @@ a.navbar-link:hover {
 .floating-tabs {
   position: absolute;
   left: 0.75rem;
-  z-index: 1;
+  z-index: 505;
   background: rgba(255, 255, 255, 0.75);
   top: 3.3125em; }
   @media screen and (min-width: 1024px) {