## Flexbox grid

Layout includes flexbox based responsive grid system with 12 columns.

```html
<!-- flexbox grid example -->
<div class="container">
  <div class="columns">
    <div class="column col-6">col-6</div>
    <div class="column col-3">col-3</div>
    <div class="column col-2">col-2</div>
    <div class="column col-1">col-1</div>
  </div>
</div>
```


## Gapless grid