You can find definitions for the style settings under these categories on the Review Capture page:

General

Setting	Allows customers to
Allows Social Login	Simplify the process of accessing their existing account in your Shopify store by using their social media account credentials to log in.
Capture Photos and Videos	Upload photos and videos to include with their reviews
Skip the Enhance Page	Toggle on if the want to skip this page during the review process
Hide Okendo Branding	Remove the "Powered by Okendo" branding that appears at the bottom of the Response Form

Header

Setting	Allows you to
Header Image	Upload your store logo or branding image
Layout	Choose between a logo-style or banner-style image.
Link to Page	Link the image to a page in your store by providing a URL

Setting	Applies to
Brand Color	Rewards Banner, Star Color, Empty Star Color, "Agree & Submit" and "Submit" buttons, and Link Color
Primary Text Color	All text on all 3 pages (Review, Enhance, and Post-Review)
Secondary Text Color	Text that appears underneath any primary text

Setting	Applies to
Star Color	Star rating color when selected
Empty Star Color	Star rating color when not selected
Page Background Color	Area that covers most of the screen
App Background Color	Area on the form that surrounds the different sections of the form
Success Alert Color	Successful submission of a site review (similar in style to the reward banner)
Font Family	All text on the form
Primary Text Color	All text on all 3 pages (Review, Enhance, and Post-Review)
Secondary Text Color	Text that appears underneath any primary text
Border Style	All boxes, text fields, and buttons on Review, Enhance, and Post-Review tabs.
Border Color	Border around product image and lines that separate sections
Link Color	Terms and Conditions and Privacy Policy links On Review and Enhance tabs
Link Hover Color	Terms and Conditions and Privacy Policy links On Review and Enhance tabs

Setting	Applies to
Border Color	Border around these text fields: Review Title What did you think about <product name>? Profile name Profile email
Focus Border Color	Border of the field that contains the cursor
Focus Ring Color	Glow around the field that contains the cursor

Setting	Applies to
Border Color	Border around these input options: Review and Enhance pages: Add Photos or Videos Facebook and Google logins Profile Picture Post-Review page: Review More Products Shop More Top-Reviewed Products
Background Color	Area within the borders of these input options: Review and Enhance pages: Add Photos or Videos Facebook and Google logins Profile Picture Post-Review page: Review More Products Shop More Top-Reviewed Products
Background Hover Color	Area within the borders of these input options when you hover over them: Review and Enhance pages: Add Photos or Videos Facebook and Google logins Profile Picture Post-Review page: Review More Products Shop More Top-Reviewed Products
Text Color	Primary text color for these input options: Review and Enhance pages: Add Photos or Videos Facebook and Google logins Profile Picture Post-Review page: Review More Products Shop More Top-Reviewed Products
Secondary Text Color	Secondary text color for these input options: Review and Enhance pages: Add Photos or Videos Profile Picture
Icon Color	Icon image color for these input options: Review and Enhance pages: Add Photos or Videos Profile Picture
Icon Background Color	Area behind icon image for these input options: Review and Enhance pages: Add Photos or Videos Profile Picture
Icon Background Hover Color	The + button hover color when adding more than one media item to a review

Setting	For 'Agree & Submit' and 'Submit' buttons
Text Transform	Text appears as: All lowercase All uppercase Mixed-case where the first letter is capitalized
Background Color	Changes the color of the button
Background Hover Color	Changes the button color when you hover over it
Border Width	Increase or decrease the button border width
Border Color	Changes the border color around a button
Border Hover Color	Changes the border color around a button when you hover over it

Setting	Applies to
Border Color	Border around each attribute box
Background Color	Color within each attribute box
Background Hover color	Color of each attribute box when you hover over it
Text Color	Color of text in each attribute box
Selected Background Color	Color of each attribute box when you select it
Selected Text Color	Color of the text in each attribute box when you select it
Center Marker Color	Color of the range for attributes that use a range

The rewards banner appears on the Review and Enhance pages of the review process and contains 2 icons: the rewards icon and the + icon.

Setting	Applies to
Banner Background Color	Background color of rewards banner on both Review and Enhance pages
Banner Icon Color	Color of icon images in rewards banner
Banner Icon Background Color	Color of background for both icons in rewards banner
Banner Text Color	Color of text within the rewards banner
Reward Achieved Color	Highlight color used when showing an achieved reward
Past Reward Color	Highlight color used when showing a previously achieved reward in comparison to a new reward
Show Congratulations Emoji	Displays the "ta-da" emoji ( 🎉 ) after a customer successfully submits their review

Note that the progress markers appear only on the Enhance page.

Setting	Applies to
Marker Background Color	Background color to all markers regardless of if they've been completed or not
Complete Marker Color	Marker changes to this color when the customer completes this step
Incomplete Marker Color	Marker remains this color until the customer completes this step

Note that the post-review modules appear only on the Post-Review page.

Module	Allows customers to
Review Other Products	Review other products in their order
Shop More Products	Shop for additional products by providing links to those product pages
Site Review	Allows you to gather feedback from customers about their overall experience while shopping at your store