You can use bellow shortcode to get in-built contact form from Delicate.
[contact-form-type1 title="Send us a message" to="email@example.com"/]
Inorder to modify the built-in contact form from delicate theme,
- contactform.php – located at “/framework/theme_shortcodes/contactform.php“
- sendmail.php – located at “/framework/sendmail.php/“
Delicate theme compatible with Contact Form 7