The forms can be customized in a number of ways. The best way to make them responsive is probably to start with a custom stylesheet. More information on customizing the forms is in the User Guide here:
http://rocketgeek.com/plugins/wp-members/users-guide/customizing-forms/
Ok, many thanks for the response. I don’t know css so what would your charge to make a responsive stylesheet? Thanks
@groggy72 – the wordpress.org forum rules do not allow solicitations either for offering services or asking for services.
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I probably will have a more responsive stylesheet with the Twenty Thirteen theme.
If you need additional assistance, you can contact me at my support site
http://rocketgeek.com/contact/