Add confirmation on button as well

app/layout/nav_menu.phtml

@@ -181,7 +181,7 @@
 	?>
 
 	<div class="stick" id="nav_menu_read_all">
-		<a class="read_all btn" href="<?php echo $markReadUrl; ?>"><?php echo Minz_Translate::t ('mark_read'); ?></a>
+		<a class="read_all btn confirm" href="<?php echo $markReadUrl; ?>"><?php echo Minz_Translate::t ('mark_read'); ?></a>
 		<div class="dropdown">
 			<div id="dropdown-read" class="dropdown-target"></div>