:right
A selector used in paged media (like printing) to style only the right-hand pages of a document (usually odd-numbered pages).
Quick example
@page :right {
/* Adds a larger margin to the right side for binding/punching holes */
margin-right: 2cm;
margin-left: 1cm;
}:right Browser Support
Limited availability94% global usage
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Not ready for production without a fallback.
18+
6+
12+