<!doctype html> <html> <head> <title>Test different types of values with border radius</title> <style> div { width: 200px; height: 200px; background: green; border: 10px dashed black} /* Test interpreted values */ #test1 { border-radius: 2em 10px 3em / 10px 0.5em } </style> </head> <body> <div id="test1"></div> </body></html>