<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS Masking: mask on inline element</title> <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com"> <link rel="author" title="Mozilla" href="https://www.mozilla.org"> <style type="text/css"> div { width: 100px; height: 100px; font-size: 100px; line-height: 100px; } div.mask-by-png { mask-image: url(support/transparent-100x50-blue-100x50.png); } </style> </head> <body> <div class="mask-by-png">A</div> <div class="mask-by-png">B</div> </body> </html>