@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/*fix for large amounts of errors*/
@-moz-document url-prefix(chrome://global/content/commonDialog.xul){
/*you can add height:10em!important if you want more height, but it changes every dialog box*/
#commonDialog>hbox>vbox{overflow:auto!important}
}