Testing Sixth Testable Statement of Sec 5.10 of CSS2 Specification

• 6. Some pseudo-classes are mutually exclusive, while others can be applied simultaneously to the same element.

PASS CRITERIA:

If statement #6 above is passed, then this h3 heading should have text align be centered. The rules are "h3:first-line {text-align: center}" and "h3:first-letter {text-align: left}", and former takes precedence.