Fourth Test of Section 10.7 of CSS2 Spec

This blockquote element has max-height none (initial value, no explicit CSS rule defined)

This paragraph has max-height of 20px. This emphasized text has max-height of UA-default, even though em is descendant of p (property not inherited).

This strong text has max height of 200%

This h3 heading has max height of inherit

This h4 text has max height of 20px

This h5 heading is max height 200%

The rules applied are "p {max-height: 20px}", "strong {max-height: 200%}", h3 {max-height: inherit}", h4 {max-height: 20px}", h5 {max-height: 200%}". NOTE: From all elements listed above, max-height property should apply to all elements.