<!DOCTYPE html><title>CSS Cascade: 'revert' in css-logical properties</title><linkrel="help"href="https://drafts.csswg.org/css-cascade/#default"><scriptsrc="/resources/testharness.js"></script><scriptsrc="/resources/testharnessreport.js"></script><style>#h1_physical{margin:0px;margin:revert;}#h1_logical{margin:0px;margin-inline-start:revert;margin-inline-end:revert;margin-block-start:revert;margin-block-end:revert;}</style><h1id=h1_physical></h1><h1id=h1_logical></h1><h1id=ref></h1><script>test(function(){letactual=getComputedStyle(h1_physical).marginTop;letexpected=getComputedStyle(ref).marginTop;// This test assumes that the UA style sheet sets a non-0px value on// <h1> elements:assert_not_equals(expected,'0px');assert_equals(actual,expected);},'The revert keyword works with physical properties');test(function(){letactual=getComputedStyle(h1_logical).marginTop;letexpected=getComputedStyle(ref).marginTop;// This test assumes that the UA style sheet sets a non-0px value on// <h1> elements:assert_not_equals(expected,'0px');assert_equals(actual,expected);},'The revert keyword works with logical properties');</script>