Add Support for Object Syntax

[igoldny]

As of v3.3.0 styled-components released object syntax which is also supported by emotion and styletron.

styled:

const Button = styled.button({
  color: 'blue'
})

css prop:

const className = css({
  color: 'blue'
})

[tkforce]

+1 Supporting object syntax seems reasonable when people use styled-system along with styled-component.

[yipei1028]

It would be great to have this functionality!

[borispoehland]

+1