1 Tests that adding a new blank property works.
10 div { (user agent stylesheet)
14 After insertion at index 0:
21 div { (user agent stylesheet)
25 After appending and changing a 'compound' property:
34 div { (user agent stylesheet)
38 After insertion at index 2:
43 /-- overloaded --/ third-property: third-value;
48 div { (user agent stylesheet)