Gravity forms have instructions here, please follow these instructions to add side by side fields: https://docs.gravityforms.com/css-ready-classes/. In their instructions, the field is on Advanced. In DealerWeb it is in Appearance. Please make sure to apply the following changes in settings in order to make it work :
1) Log into your site and navigate to Forms > Settings from the left menu
2) Find the option for "Output CSS" and set to "No".
3) This change must be done form by form.
