/* recaptcha field fix */
/* RKB 2013-12-03 */
#recaptcha_widget_div td {
    line-height: 0;
}

/* RKB 2014-01-20 */
/* Do some themes target the recaptcha widget elements? First encountered this on dcls.com.au/contact */
/* Also try a height value of 13px, if auto doesn't work */
#recaptcha_widget_div input {
    height: 13px;
}