CSS.supports()

# These should all be green

@supports (color: green)

@supports (color: green) and (width: 50px)

@supports (color: green) or (flogwizzle: purple)

@supports (not (flogwizzle: purple))

@supports selector(.simple)

@supports selector(a#more > .complicated.case:nth-child(42))

@supports selector(.easy) or selector(.....nope)

# These should all be red

@supports (not (color: green))

@supports (color: green) and (width: 50px) or (color: green)

@supports (width: yellow) or (height: green)

@supports (flogwizzle: purple)

@supports selector(.....nope)

@supports selector(::-webkit-input-placeholder)

@supports selector(32) or selector(thing[foo??????bar])

# Testing CSS.supports(property, value)

These should all be green, meaning they returned true

These should all be red, meaning they returned false

# Testing CSS.supports(string)

These should all be green, meaning they returned true

These should all be red, meaning they returned false