Casino game thumbnails should act like profile pictures to stand out on small...

https://judahsbrilliantthoughts.rivetgarden.com/posts/can-i-use-color-alone-to-show-game-categories-in-a-casino-lobby

Casino game thumbnails should act like profile pictures to stand out on small screens. Use one clear focal point so players instantly recognize the game. Apply strong contrast to make details pop at a glance