<!DOCTYPE html> <link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#propdef-animation-delay-start"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/css/support/parsing-testcommon.js"></script> <script> test_invalid_value("animation-delay-start", "infinite"); test_invalid_value("animation-delay-start", "0"); test_invalid_value("animation-delay-start", "1s 2s"); test_invalid_value("animation-delay-start", "1s / 2s"); test_invalid_value("animation-delay-start", "100px"); test_invalid_value("animation-delay-start", "100%"); test_invalid_value("animation-delay-start", "peek 50%"); test_invalid_value("animation-delay-start", "50% contain"); test_invalid_value("animation-delay-start", "50% cover"); test_invalid_value("animation-delay-start", "50% entry"); test_invalid_value("animation-delay-start", "50% enter"); test_invalid_value("animation-delay-start", "50% exit"); test_invalid_value("animation-delay-start", "contain contain"); test_invalid_value("animation-delay-start", "auto"); test_invalid_value("animation-delay-start", "none"); test_invalid_value("animation-delay-start", "cover 50% enter 50%"); test_invalid_value("animation-delay-start", "cover 100px"); test_invalid_value("animation-delay-start", "cover"); test_invalid_value("animation-delay-start", "contain"); test_invalid_value("animation-delay-start", "enter"); test_invalid_value("animation-delay-start", "exit"); </script>