diff --git a/it4i_theme/css/theme_extra.css b/it4i_theme/css/theme_extra.css
index ccb384e9c4159f2665445f9440aa1d6162243f05..3c12cf41e1c81a935712187c4e4be028e870008a 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: 90%;
+    font-size: 100%;
 }
 
 h3, h4, h5, h6 {
@@ -21,7 +21,7 @@ h3, h4, h5, h6 {
     padding: 0.4045em 1.618em;
     display: block;
     position: relative;
-    font-size: 90%;
+    font-size: 100%;
     color: #838383;
 }