This blockquote element has clip auto (initial value, no explicit CSS rule defined)

This paragraph has clip rect. This emphasized text has clip of UA-default, even though em is descendant of p (property not inherited).

This strong text has clip auto

This h3 heading has clip inherit

This h4 text has clip rect

This h5 heading is UA-default (percentages don't apply)
The rules applied are "p {clip: rect}", "strong {clip: auto}", h3 {clip: inherit}", h4 {clip: rect}", h5 {clip: 200%}". NOTE: From all elements listed above, clip property should apply to all elements.