<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!DOCTYPE html> <html> <head> <title>CSS Filters: Blur with Zero Radius</title> <link rel="author" title="Max Vujovic" href="mailto:mvujovic@adobe.com"> <link rel="help" href="http://www.w3.org/TR/filter-effects-1/#funcdef-blur"> <link rel="match" href="blur-zero-radius-ref.html"> <meta name="assert" content="Given a zero blur radius, the CSS blur filter function will not blur an HTML element."> <style type="text/css"> #target { filter: blur(0); background-color: #0f0; width: 100px; height: 100px; } </style> </head> <body> <p>You should see a green square. It should not be blurred.</p> <div id="target"></div> </body> </html>