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