Style buttons in Peter's Collaboration E-mails

--- peters_collaboration_emails.orig.php    2013-03-29 17:55:18.000000000 +0000
+++ peters_collaboration_emails.php 2013-04-09 11:02:16.982825200 +0100
@@ -863,11 +863,11 @@
             <?php print $pce_contributors_current; ?>
             <?php print $pce_contributors_remaining; ?>

-            <p class="submit"><input type="submit" name="pce_edit_group_submit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+            <p class="submit"><input type="submit" name="pce_edit_group_submit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>

         <form name="pce_delete_group" method="post" action="<?php print '?page=' . basename(__FILE__); ?>">
-            <p class="submit"><input type="hidden" name="pce_groupid" value="<?php print $pce_groupid;?>"><input type="submit" name="pce_delete_group_submit" value="<?php _e('Delete this group', 'peters_collaboration_emails'); ?>" /></p>
+            <p class="submit"><input type="hidden" name="pce_groupid" value="<?php print $pce_groupid;?>"><input type="submit" name="pce_delete_group_submit" class="button action" value="<?php _e('Delete this group', 'peters_collaboration_emails'); ?>" /></p>
         </form>
     </div>

@@ -1191,7 +1191,7 @@
         <p><?php _e('These users will be e-mailed if none of the rules below match. Note that they must be either editors or administrators.', 'peters_collaboration_emails'); ?></p>
             <?php print $pce_defaultoptions; ?>

-        <p class="submit"><input type="submit" name="pce_modsubmit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+        <p class="submit"><input type="submit" name="pce_modsubmit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>

         <h3><?php _e('Moderators by group', 'peters_collaboration_emails'); ?></h3>
@@ -1205,13 +1205,13 @@
             <?php print $pce_useroptions; ?>

         </table>
-        <p class="submit"><input type="submit" name="pce_rulesubmit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+        <p class="submit"><input type="submit" name="pce_rulesubmit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>
         <form name="pce_groupform" action="<?php print '?page=' . basename(__FILE__); ?>" method="post">
         <h4><?php _e('Add a group', 'peters_collaboration_emails'); ?></h4>
             <?php print $pce_groupoptions; ?>

-        <p class="submit"><input type="submit" name="pce_groupsubmit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+        <p class="submit"><input type="submit" name="pce_groupsubmit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>

         <h3><?php _e('Moderators by post type and taxonomy', 'peters_collaboration_emails'); ?></h3>
@@ -1227,7 +1227,7 @@
             <?php print $pce_post_type_rules; ?>

         </table>
-        <p class="submit"><input type="submit" name="pce_post_type_submit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+        <p class="submit"><input type="submit" name="pce_post_type_submit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>
         <form name="pce_add_post_type_form" action="<?php print '?page=' . basename(__FILE__); ?>" method="post">
         <h4><?php _e('Add post-type-specific moderators', 'peters_collaboration_emails'); ?></h4>
@@ -1255,7 +1255,7 @@
             print pce_usersoptions( array(), 'moderators' );
             print '</select></p><p id="pce_post_type_rule_mod_add">E-mail: <input type="text" name="pce_post_type_rule_mod_add" width="30" maxlength="90" /></p>';
             ?>
-        <p class="submit"><input type="submit" name="pce_add_post_type_submit" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
+        <p class="submit"><input type="submit" name="pce_add_post_type_submit" class="button action" value="<?php _e('Update', 'peters_collaboration_emails'); ?>" /></p>
         </form>
     </div>

@@ -2071,10 +2071,10 @@
             {
                 print "\n" . '<p>' . __( 'Are you sure you want to remove this post type rule?', 'peters_collaboration_emails' ) . '</p>';
                 print "\n" . '<form method="post" action="?page=' . basename(__FILE__) . '&delete_post_type_rule=' . $rule_id . '">';
-                print "\n" . '<p class="submit"><input type="submit" name="pce_delete_post_type_rule_yes" value="' . __( 'Yes', 'peters_collaboration_emails') . '" /></p>';
+                print "\n" . '<p class="submit"><input type="submit" name="pce_delete_post_type_rule_yes" class="button action" value="' . __( 'Yes', 'peters_collaboration_emails') . '" /></p>';
                 print "\n" . '</form>';
                 print "\n" . '<form method="post" action="?page=' . basename(__FILE__) . '">';
-                print "\n" . '<p class="submit"><input type="submit" value="' . __( 'No, go back', 'peters_collaboration_emails' ) . '" /></p>';
+                print "\n" . '<p class="submit"><input type="submit" class="button action" value="' . __( 'No, go back', 'peters_collaboration_emails' ) . '" /></p>';
                 print "\n" . '</form>';
             }
         }