FormidableLabs/chai-jq — pull request #4 by atimb (2013-11-24 23:19:02+00:00)
Title: Support for $css, $visible, $hidden assertions

Usage of new assertions:
```javascript
expect($el).to.have.$css("width", "50px");
expect($el).to.be.$visible;
expect($el).to.not.be.$hidden;
```