Dear @ruslan
Regarding Ninja Forms do any of these threads help you?
http://laythemeforum.com:4567/topic/496/does-lay-theme-support-forms-plugin/2
http://laythemeforum.com:4567/topic/1967/ninja-forms-compatability/2
Regarding a Button on your site, have you had a look into these threads? :)
http://laythemeforum.com:4567/topic/5972/close-button-on-a-project
http://laythemeforum.com:4567/search?term=button&in=posts&matchWords=all&sortBy=relevance&sortDirection=desc&showAs=posts
Thank you for using Lay Theme, let me know about these threads first and if i can help further.
Best wishes
Richard
