Casino game thumbnails should behave like profile pictures because both need to...

https://johnnywrbo401.wpsuo.com/accessibility-tips-for-casino-thumbnails-designing-for-color-vision-differences

Casino game thumbnails should behave like profile pictures because both need to grab attention on small screens. Focus on one clear focal point and use strong contrast to make details pop. Crop tightly to highlight the key element without clutter