Testing Sixth Testable Statement of Sec 4.2 of CSS2 Specification

• 6. User agents must ignore an invalid at-keyword together with everything following it, up to and including the next semicolon or block.

PASS CRITERIA:

If statement #6 above is passed, then the h1 heading above (Testing..) should have a color of blue. The rules proposed are "@three-dee {@background-lighting { But the whole rule in the curly braces is ignored; therefore, only the following rule "h1 {color: blue}" is accepted.

All other properties of this page should be UA-default.