:left

A selector used inside the @page rule to target the physical 'left' pages of a double-sided printed document.

Quick example

@page :left {
  /* Adds a wider margin to the left (spine) side of the page when printing */
  margin-right: 4cm;
  margin-left: 2cm;
}

:left 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+
ESC