change background color in fields

Hello, 

My form works as a application form that has to be revised. I want the reviser to be able to identify between his responses and the applicator responses. Please le me know how can i get the background to be maybe gray for this elements. 

You can use conditions to hide the fields that the applicator responded.

https://www.jotform.com/help/316-How-to-Show-or-Hide-Fields-Base-on-User-s-Answer

You may also disable the field.

Guide:https://www.jotform.com/help/371-How-to-Enable-Disable-Fields-Using-Conditional-Logic

I have checked your form and you can use the Get Form page URL to hide the fields when the URL contains edit.

Hope this information helps.

If you need further assistance, let us know.