<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Overconstrained relative positioning</title> <style> .test { border: 1px solid black; height: 200px; width: 400px; writing-mode: vertical-lr; direction: ltr; } #inner1 { position: relative; left: 40px; right: 40px; top: 20px; bottom: 20px; height: 180px; width: 360px; background-color: teal; } </style> </head> <body> <div class="test"> <div id="inner1"></div> </div> </body> </html>