A primary IconButton

```js
<IconButton icon="plus" primary />
```

A non-primary IconButton

```js
<IconButton icon="plus" />
```

The size of icon can be changed

```js
<IconButton icon="plus" size={4} />
```

Button with Text and Icon at the end

```js
<IconButton icon="plus" iconPosition="end">
  Add
</IconButton>
```

Button with Icon before Text

```js
<IconButton icon="plus">Add</IconButton>
```