diff --git a/themes/pmahomme/css/theme_right.css.php b/themes/pmahomme/css/theme_right.css.php
index 53a7b2060d..3fd8178141 100644
--- a/themes/pmahomme/css/theme_right.css.php
+++ b/themes/pmahomme/css/theme_right.css.php
@@ -192,11 +192,13 @@ input[type=password] {
 
 }
 
-input[type=submit] {
-    font-weight: bold;
+input[type=submit],
+button[type=submit] {
+    font-weight: bold !important;
 }
 
 input[type=submit],
+button[type=submit],
 input[type=reset],
 input[name=submit_reset],
 input.button {
@@ -217,6 +219,7 @@ input.button {
 }
 
 input[type=submit]:hover,
+button[type=submit]:hover,
 input[type=reset]:hover,
 input[name=submit_reset]:hover,
 input.button:hover {
@@ -226,6 +229,7 @@ input.button:hover {
 }
 
 input[type=submit]:active,
+button[type=submit]:active,
 input[type=reset]:active,
 input[name=submit_reset]:active,
 input.button:active {