diff --git a/it4i_theme/css/theme_extra.css b/it4i_theme/css/theme_extra.css
index bdea820faa64dd1d718cd61c82f2a39723c6618a..7b4a8a7028564ca39676861a5ca243701a988c0d 100644
--- a/it4i_theme/css/theme_extra.css
+++ b/it4i_theme/css/theme_extra.css
@@ -2,7 +2,7 @@
  * Tweak the overal size to better match RTD.
  */
 body {
-    font-size: 80%;
+    font-size: 90%;
 }
 
 h3, h4, h5, h6 {
@@ -21,7 +21,7 @@ h3, h4, h5, h6 {
     padding: 0.4045em 1.618em;
     display: block;
     position: relative;
-    font-size: 80%;
+    font-size: 90%;
     color: #2980B9;
 }