Use em, and hide if there's nothing in account "note"

src/components/account-info.css

@@ -9,11 +9,15 @@
   --original-color: var(--link-color);
 
   .note {
-    font-size: 95%;
+    font-size: 0.95em;
     line-height: 1.4;
     text-wrap: pretty;
     margin-bottom: 16px;
 
+    &:empty {
+      display: none;
+    }
+
     > *:first-child {
       margin-top: 0;
       padding-top: 0;