<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS Animations: parsing animation-duration with valid values</title> <link rel="help" href="https://drafts.csswg.org/css-animations/#propdef-animation-duration"> <meta name="assert" content="animation-duration supports the full grammar '<time> #'."> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/css/support/parsing-testcommon.js"></script> </head> <body> <script> test_valid_value("animation-duration", '3s'); test_valid_value("animation-duration", '500ms'); test_valid_value("animation-duration", '1s, 2s, 3s'); </script> </body> </html>