<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS Masking: clip-path: clip path geometry box</title> <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com"> <link rel="author" title="Mozilla" href="https://www.mozilla.org"> </head> <body> <svg width="200" height="200" style="position: absolute; left: 0px; top: 0px;"> <circle cx="100" cy="100" r="50" fill="blue"/> </svg> </body> </html>