<!DOCTYPE html> <meta charset=utf-8> <title>Test for logical margins on listing elements in the UA style sheet</title> <style> .v-rl { writing-mode: vertical-rl; } .ltr, .rtl, .v-rl { border: 1px solid blue; } .ltr listing { margin: 1em 0; } .rtl listing { margin: 1em 0; } .v-rl listing { margin: 0 1em; } </style> <div class=ltr> <listing>Listing line 1 Listing line 2</listing> </div> <div class=rtl dir=rtl> <listing>Listing line 1 Listing line 2</listing> </div> <div class=v-rl> <listing>Listing line 1 Listing line 2</listing> </div>