Merge pull request jquery-archive#2669 from Wilto/hidden-text-alignment

Fixes issue where hidden button text was visibile on wide displays. Thanks Wilto and Sumeruter!

Author: toddparker

themes/default/jquery.mobile.button.css

@@ -11,7 +11,7 @@
 .ui-btn-icon-notext { width: 24px; height: 24px; }
 .ui-btn-icon-notext .ui-btn-inner { padding: 2px 1px 2px 3px; }
 .ui-btn-text { position: relative; z-index: 1; }
-.ui-btn-icon-notext .ui-btn-text { position: absolute; left: -999px; }
+.ui-btn-icon-notext .ui-btn-text { position: absolute; left: -9999px; }
 .ui-btn-icon-left .ui-btn-inner { padding-left: 33px; }
 .ui-header .ui-btn-icon-left .ui-btn-inner,
 .ui-footer .ui-btn-icon-left .ui-btn-inner,