I don't understand your comments. At the Contact Form 7 site, it says
If you’re looking for support for Contact Form 7, please use the free support forum on WordPress.org.
There are numerous questions on this forum regarding Contact Form 7 and no was told
We cannot simplify one the WP's most used plugins for you. Consider hiring an expert.
And why do I need to move my site in order to reduce the width of the message field?