The following modifications have been made: 1) filenames have been changed to conform to the XXXotics.com naming convention, 2) icon colors have been modified; 3) file formats have been changed from .jpg/.png to .webp; and 4) some of the files have been graphically enhanced, cropped, resized and recolored.

Gender-Neutral: Pixabay – Robert Ruggiero (Robert2301). Free for commercial use. URL: https://pixabay.com/illustrations/model-eye-face-girl-woman-eyes-5036423/ .