DropdownMenu Example:

```jsx
import { DropdownMenu, MenuItem, Button, Icon } from 'ic-snacks'

; <div style={{display: 'flex'}}>
    <div style={{marginRight: '20px'}}>
      <DropdownMenu triggerElement={<Button>Share</Button>}>
        <MenuItem label="Share via Email" value="email" leftIcon="emailFilled" />
        <MenuItem label="Share via Facebook" value="facebook" leftIcon="facebookFilled" leftIconStyles={{color: '#3c5a99'}} />
        <MenuItem label="Share via Twitter" value="twitter" leftIcon="twitterFilled" leftIconStyles={{color: '#1da1f2'}} />
      </DropdownMenu>
    </div>
    <div>
      <DropdownMenu triggerElement={
        <Button>
          <Icon name="shareAndroid2Filled" />
        </Button>
      }>
        <MenuItem label="Share via Email" value="email" leftIcon="emailFilled" />
        <MenuItem label="Share via Facebook" value="facebook" leftIcon="facebookFilled" leftIconStyles={{color: '#3c5a99'}} />
        <MenuItem label="Share via Twitter" value="twitter" leftIcon="twitterFilled" leftIconStyles={{color: '#1da1f2'}} />
      </DropdownMenu>
    </div>
  </div>
```
