diff --git a/.gitignore b/.gitignore
index 62550d9..1af1e63 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 **/*.rs.bk
 /www/book
+/wiki
diff --git a/www/index.css b/www/index.css
index 6a86634..8f8d4dc 100644
--- a/www/index.css
+++ b/www/index.css
@@ -58,7 +58,7 @@ a:hover {
 }
 
 /* intermodal is an isogram */
-#i:after        { content: 'I';  }
+#i:after        { content: '𝙸';  }
 #i:hover:after  { content: '私'; }
 #n:after        { content: 'N';  }
 #n:hover:after  { content: '∅';  }