JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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If I understand correctly, you want to remove the highlight effect when a field is selected?
To remove it, please inject the css below:
background-color : inherit!important;
background-color : inherit !important;
You can inject custom css by following this guide: How to Inject Custom CSS Codes
The field should look like the screenshot below once the css is injected.
If you need further assistance or you were referring to a different issue, please let us know.