Place the button.

The action when the button is clicked is written in JavaScript.

This module is mainly used for submitting his forms and as buttons to trigger special functions.
If you just want to navigate between pages, use her link module instead.


## Button style variations

### Simple button

```html
<button class="px2-btn">Label</button>
```

### Button style

```html
primary
<button class="px2-btn px2-btn--primary">Label</button>

secondary
<button class="px2-btn px2-btn--secondary">Label</button>

dangerous
<button class="px2-btn px2-btn--danger">Label</button>

download
<button class="px2-btn px2-btn--download">Label</button>
```

## button size

```html
small
<button class="px2-btn px2-btn--sm">Label</button>

big
<button class="px2-btn px2-btn--lg">Label</button>
```

## display type

```html
block element
<button class="px2-btn px2-btn--block">Label</button>
```