diff --git a/src/app/styles/base.css b/src/app/styles/base.css
index ce3eac0..ce81ab1 100644
--- a/src/app/styles/base.css
+++ b/src/app/styles/base.css
@@ -26,3 +26,19 @@ h5,
 h6 {
   font-family: var(--font-public-sans), sans-serif;
 }
+
+#nav nav {
+  top: var(--spacing-4);
+  width: var(--width-content-width);
+  left: 50%;
+  transform: translateX(-50%);
+  border-radius: var(--radius-theme-capped);
+  border: 1px solid color-mix(in srgb, var(--foreground) 10%, transparent);
+  box-shadow: 0 4px 6px -1px color-mix(in srgb, var(--foreground) 10%, transparent), 0 2px 4px -2px color-mix(in srgb, var(--foreground) 6%, transparent);
+}
+
+#nav nav > div {
+  width: 100%;
+  margin: 0;
+  padding: 0 var(--spacing-6);
+}