Riot Games' old website had a super satisfying hover effect for their menu button (top left -- you'll have to close the Wayback machine bar with the close icon top right) https://web.archive.org/web/20210301032806/https://riotgames...
Heads up, you can add `if_` after the date in a web archive link to show it without the header. I.e. https://web.archive.org/web/20210301032806if_/https://riotga...