guardian/frontend — pull request #1339 by kaelig (2013-08-06 15:09:57+00:00)
Title: Update sass-mq

Update the sass-mq mixin to benefit from the ability to add custom breakpoints from within the application (outside of the _var.scss file). Makes the article layout code easier to understand.

## Release notes:
- [Removed] Guardian-specific tweakpoints
- [New] Add custom breakpoints:

```scss
$mq-breakpoints: mq-add-breakpoint(tvscreen, 1920px);

.hide-on-tv {
@include mq(tvscreen) {
display: none;
}
}
```

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