`s.\n- Add your fractional width classes to set the width of the columns (e.g., `.one-fourth`).\n\n##### Demo\n\nIn practice, your columns will look like the example below.\n\n```html title=\"Grid columns\"\n
\n
\n
\n .one-fifth\n
\n
\n .four-fifths\n
\n
\n\n
\n
\n .one-fourth\n
\n
\n .three-fourths\n
\n
\n\n
\n
\n .one-third\n
\n
\n .two-thirds\n
\n
\n\n
\n
\n .one-half\n
\n
\n .one-half\n
\n
\n
\n```\n\n##### Centered\n\nColumns can be centered by adding `.centered` to the `.column` class.\n\n```html title=\"Grid centered\"\n
\n```\n\n\n## License\n\n[MIT](./LICENSE) © [GitHub](https://github.com/)\n\n[primer]: https://github.com/primer/primer\n[docs]: http://primer.github.io/\n[npm]: https://www.npmjs.com/\n[install-npm]: https://docs.npmjs.com/getting-started/installing-node\n[sass]: http://sass-lang.com/\n","_attachments":{},"homepage":"http://primer.github.io/","bugs":{"url":"https://github.com/primer/primer/issues"},"license":"MIT"}