How to change REGISTER button colour

Hello,
Thank you for contacting us.

You may use CSS code given below in your theme file.

.erf-container button{
    background-color : COLOR;
}

OR

Please follow the steps below :
1. Go to form builder
2. Hover over submit button field.
3. Click on Pencil icon (edit button)
4. Give your custom class in “Class” field.
5. Save when done.

Using your custom class to define your styles on the button in your theme CSS file.

Please let us know if you still face any issue, you may drop us an email on [email protected]

Thank you so much for your answer.
Can you let me know what file exactly the code need to be entered in my theme files?
Or if using method 2 how exactly should the command looks to be accepted ?
I have no codding skill, I understand the the very basics, so I will be glad if you can help me out. Thanks

Hello,

Please contact us on [email protected], we would require your form URL and page URL where theme button is displayed, to provide you CSS and instruct you the steps of implementation.

Looking forward for your response on email.