# Migrating

This documents migrating to the latest version of Tachyons, v7.

## Media queries

`CLASS-ns` => `CLASS-m CLASS-l`

## Colors

## Border colors

## Class changes

The following class names have changed, please update them in your apps.

- `pre` => `ws-pre`
- `nowrap` => `ws-nowrap`
- `paX` => `pX`
- `maX` => `mX`
- `f-subheadline`/`f-headline` => `f0`
