Print two-sided documents using CSS settings

#When printing a double-sided document, the page boxes on the left and right pages should be different.

Example

can be represented by two CSS pseudo-classes as follows:

<style>
   <!--
      @page :left {
         margin-left: 4cm;
         margin-right: 3cm;
      }
      @page :right {
         margin-left: 3cm;
         margin-right: 4cm;
      }
   -->
</style>

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