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- `polished` version: <!-- i.e. 1.0.2 -->
- `JSS-in_CSS` library and version: <!-- styled-components 1.4.5 -->
- Any relevant JS library and version: <!-- React 15.5 -->

Mixin/Helper/Shortand you were using and how you were using it:

```javascript

```

What you are seeing:

<!-- Please provide a full error message/screenshots/etc.. -->

What you expected to see:

<!-- Please provide a description of how you expected this to work/screenshots/etc.. -->

Reproduction:

<!-- Link to Pull Request, WebpackBin, CodePen, etc... -->
