Syntax highlighting and IntelliSense for styled-components.
Inside VSCode, press
It should be the top result.
Raising an issue
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There's no syntax highlighting?
Syntax Highlighting is specifically made to work with
Secondly make sure your file is set to the right language. It should be
Emmet tab completion isn't working
Be sure to include
I get "unknown property: X" on a property I know is valid
Property look up comes from the css language service which in turn comes from MDN Data. If its a custom property, or something that is not in MDN you can add your own property like so: https://github.com/microsoft/typescript-styled-plugin/issues/58#issuecomment-444733368
If however you believe this property is standard and thus missing you can raise this issue with either one of the above projects; please check for any raised issue first.