diff --git a/themes/default/jquery.mobile.forms.fieldcontain.css b/themes/default/jquery.mobile.forms.fieldcontain.css
index da197196..bd9699ff 100644
--- a/themes/default/jquery.mobile.forms.fieldcontain.css
+++ b/themes/default/jquery.mobile.forms.fieldcontain.css
@@ -5,6 +5,4 @@
 */
 .ui-field-contain { background: none; padding: 1.5em 0; margin: 0; border-bottom-width: 1px; overflow: visible; }
 .ui-field-contain:first-child { border-top-width: 0; }
-@media screen and (max-width: 480px){ 
-	.ui-field-contain { border-width: 0; padding: 0; margin: 1em 0; }
-}
\ No newline at end of file
+.min-width-480px .ui-field-contain { border-width: 0; padding: 0; margin: 1em 0; }
\ No newline at end of file