Invalid Units

We should be ignoring the entire declaration (i.e. property-value pair) when it includes invalid units. So this entire page should be boring with no surprises. Ho hum.

Borders

Border declaration: this should not have a border.

Margins

Margin declaration: this should not be indented left.

Margin declaration: this should not be indented down.

Padding

Padding declaration: this should not be indented left.

Padding declaration: this should not be indented down.

Fonts

This should be in a normal font.

Background

This paragraph should not have a background.