diff --git a/www/theme/default/m.style.css b/www/theme/default/m.style.css
index 93a5bb7cdc..a7456d0476 100644
--- a/www/theme/default/m.style.css
+++ b/www/theme/default/m.style.css
@@ -26,3 +26,8 @@
 .diff-short  {padding:2px 6px; background:url(images/main/zt-icons.png) -101px -422px; border:0px}
 
 .ui-content {padding-left:0px; padding-right:0px}
+
+.a-center {text-align: center;}
+.a-right  {text-align: right;}
+.a-left   {text-align: left;}
+