What is your fanciest css tag?

Question

Yesterday I found a new css tag called “will-change”. It defines that a element style will change in the future and tell it to the browser.

What is your favorite style you not know before and you like very well?

Answer 1

fancy {
position: fixed;
color: white;
background: sexy;
}

Answer 2

background: sexy; 😂 I like background: awesome;