CSS Styling Tweaks (Help)

Hi Mark.

Sorry mate, just neep help two things about css styling

1. I want to remove the background for the hcaptcha field.
   = https://imgur.com/ioszdR1.png
2. From the Customizer ▸ WS Form ▸ Primary, how can i edit the color code via css code. (i dont want to manually go on the Customizer to change the color)
   = https://imgur.com/j8HQgVy.png

Below is my current css for the wsf-forms

.wsf-form .wsf-field-wrapper .wsf-field {
        background: var(--surface-20);
    	color: var(--surface-90);
	    font-size: var(--fs-body);
    	font-family: var(--body-font);
}
.wsf-form .wsf-field-wrapper .wsf-label {
    	color:  var(--surface-90);
	    font-size: var(--fs-body);
    	font-family: var(--body-font);
}
.wsf-form .wsf-field-wrapper .wsf-help {
	    color: var(--surface-70);
}

The page I need help with: [log in to see the link]