<html xmlns="http://www.w3.org/1999/xhtml"> <head> <style>div::first-letter { color: green; }</style> <script> function boom() { var e = document.getElementById("e"); document.documentElement.style.direction = "rtl"; e.style.whiteSpace = "pre"; } </script> </head> <body onload="boom();"> <div><span style="direction: rtl;" id="e"><span> </span>A B</span></div> </body></html></html>