diff --git a/styles.css b/styles.css
index 2197ed0..9da5c38 100755
--- a/styles.css
+++ b/styles.css
@@ -4341,6 +4341,17 @@ ul.h-list li {
   display: inline-block;
   margin: 5px 10px 5px 10px; }
 
+body > nav {
+  width: 250px;
+  overflow-y: auto;
+  font-size: 0.8em;
+  background: var(--nav-category-background);
+  color: rgba(255, 255, 255, 0.8);
+  flex-shrink: 0;
+  display: flex;
+  flex-direction: column;
+  user-select: none; }
+
 #nav-side-outer {
   overflow-y: auto;
   height: 100%;