Hello team, thalles a lot for this theme is awesome. 
I'm editing my website with the Salient Corporate template, and I'm creating the Contact Form:

https://applichimio.bepatientsolutions.com/contact/

I would like to know how to make the same design that the demo.

(see the screenshot attached for more details)

Name / email / subject on the same line. 

Thanks a lot for your help and your reply. 
Have a good day. 

Alexis