Easiest Method to Set Text Fields Background Color in WpForms
https://wordpress.org/plugins/styler-...
Download and install the above wordpress plugin to change the overall look and layout of WpForms. This plugin utilizes WordPress customizer because of which you get true WYSIWYG . It has collection of more than 100 options to alter the theme without the
requirement of CSS coding. You can modify paddings, text alignment etc using the built in controls.