<html> <head> <meta charset="utf-8" /> <title>Test #1 for bug #1043537</title> <style> div { width: 200px; height: 200px; background: yellow; } div:before { content: ''; background: hotpink; display: block; width: 40px; height: 40px; overflow: hidden; resize: both; } </style> </head> <body> <div></div> </body> </html>