diff --git a/manual/templates/layout.html b/manual/templates/layout.html
index d8adc53738..35e02fffdb 100644
--- a/manual/templates/layout.html
+++ b/manual/templates/layout.html
@@ -7,6 +7,7 @@
         .half-with-img { max-width: 50% }
         .fit-img { max-width: 95% }
         #languages-menu { display: none }
+        .guilabel { font-style: italic }
     </style>
     <script type="text/javascript">
     function toggle_languages_menu() {