Optical Illusion with CSS (I)

Source code: https://codepen.io/alvaromontoro/pen/azZWWeN/a7b01fcaf47b0b6ecf589e36e254bed9 Also, animating the custom property: https://codepen.io/alvaromontoro/pen/ZYOLWob If you like optical illusions and CSS, here's a collection with 50+ optical illusions created with CSS: https://codepen.io/collection/GpWqKk ----- Music by https://www.bensound.com/free-music-for-videos License code: KDJF8JHXRXSDKH3S Artist: : Benjamin Tissot