The difference(), intersection(), isDisjointFrom(), isSubsetOf(), isSupersetOf(), symmetricDifference(), and union() methods of the JavaScript Set object performs operations between two sets.

The :state() CSS pseudo-class matches custom elements based on their custom state, set through the ElementInternals.states API.

The round(), mod(), and rem() CSS functions compute rounded values and the remainder after division.

The zoom CSS property scales the size of an element. Unlike the transform property, a zoomed element affects page layout.

The light-dark() CSS function accepts two colors and uses one depending on the current color scheme.

The text-wrap: balance CSS declaration balances the length of each line when text is broken into multiple lines. Also known as headline balancing.

The writing-mode CSS property orients form elements (such as radio buttons, progress bars, or select menus) vertically when the writing mode is vertical-lr or vertical-rl. The direction CSS property sets whether inputs flow from top to bottom or bottom to top.