Testing Statement #3 Below of Section 5.5.9 of CSS1 Spec
3. The "padding-left" property sets the left padding of an element. Padding
values cannot be negative.
PASS CRITERIA:
If statement #3 above is passed, this paragraph should have a left padding
of UA-default. The rule stated is "p {padding-left: -3px}, which should be
ignored since the value is negative.
All other properties of this page should be UA-default.