By default contact form 7 doesn't provide any customization for styling and your contact form 7 looking very simple. Editing CSS style sheets is the best method to style contact 7 forms. styling and your contact form 7 looking very simple. Editing CSS style sheets is the best method to style contact 7 forms. Do you Want to customize your contact form 7 into a beautiful contact form? In this post I'll show you some very important simple steps for styling your contact forms.