Error Message Styl

I’ve installed the plugins and functionally it works fine. However, the error message that appears when an incorrect word is input needs to have a width set or something.

I can’t find where to set this. Can someone help. Here is a link the the page where I need to change it.

http://www.particle.com/technical-support

Thanks.

http://ww.wp.xz.cn/extend/plugins/contact-form-7-recaptcha-extension/